22777981720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{3917}}^1$

素因数の和:4205

約数の個数: 128

約数和(自身を含む): 56515112640

約数和(自身を除く): 33737130920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 211, 212, 260, 265, 422, 424, 520, 530, 689, 844, 1055, 1060, 1378, 1688, 2110, 2120, 2743, 2756, 3445, 3917, 4220, 5486, 5512, 6890, 7834, 8440, 10972, 11183, 13715, 13780, 15668, 19585, 21944, 22366, 27430, 27560, 31336, 39170, 44732, 50921, 54860, 55915, 78340, 89464, 101842, 109720, 111830, 145379, 156680, 203684, 207601, 223660, 254605, 290758, 407368, 415202, 447320, 509210, 581516, 726895, 826487, 830404, 1018420, 1038005, 1163032, 1453790, 1652974, 1660808, 2036840, 2076010, 2698813, 2907580, 3305948, 4132435, 4152020, 5397626, 5815160, 6611896, 8264870, 8304040, 10744331, 10795252, 13494065, 16529740, 21488662, 21590504, 26988130, 33059480, 42977324, 43803811, 53721655, 53976260, 85954648, 87607622, 107443310, 107952520, 175215244, 214886620, 219019055, 350430488, 429773240, 438038110, 569449543, 876076220, 1138899086, 1752152440, 2277798172, 2847247715, 4555596344, 5694495430, 11388990860, 22777981720]

約数ペア:

[(1, 22777981720), (2, 11388990860), (4, 5694495430), (5, 4555596344), (8, 2847247715), (10, 2277798172), (13, 1752152440), (20, 1138899086), (26, 876076220), (40, 569449543), (52, 438038110), (53, 429773240), (65, 350430488), (104, 219019055), (106, 214886620), (130, 175215244), (211, 107952520), (212, 107443310), (260, 87607622), (265, 85954648), (422, 53976260), (424, 53721655), (520, 43803811), (530, 42977324), (689, 33059480), (844, 26988130), (1055, 21590504), (1060, 21488662), (1378, 16529740), (1688, 13494065), (2110, 10795252), (2120, 10744331), (2743, 8304040), (2756, 8264870), (3445, 6611896), (3917, 5815160), (4220, 5397626), (5486, 4152020), (5512, 4132435), (6890, 3305948), (7834, 2907580), (8440, 2698813), (10972, 2076010), (11183, 2036840), (13715, 1660808), (13780, 1652974), (15668, 1453790), (19585, 1163032), (21944, 1038005), (22366, 1018420), (27430, 830404), (27560, 826487), (31336, 726895), (39170, 581516), (44732, 509210), (50921, 447320), (54860, 415202), (55915, 407368), (78340, 290758), (89464, 254605), (101842, 223660), (109720, 207601), (111830, 203684), (145379, 156680)]