13605280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 35900928

約数和(自身を除く): 22295648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 211, 248, 260, 310, 403, 416, 422, 496, 520, 620, 806, 844, 992, 1040, 1055, 1240, 1612, 1688, 2015, 2080, 2110, 2480, 2743, 3224, 3376, 4030, 4220, 4960, 5486, 6448, 6541, 6752, 8060, 8440, 10972, 12896, 13082, 13715, 16120, 16880, 21944, 26164, 27430, 32240, 32705, 33760, 43888, 52328, 54860, 64480, 65410, 85033, 87776, 104656, 109720, 130820, 170066, 209312, 219440, 261640, 340132, 425165, 438880, 523280, 680264, 850330, 1046560, 1360528, 1700660, 2721056, 3401320, 6802640, 13605280]

約数ペア:

[(1, 13605280), (2, 6802640), (4, 3401320), (5, 2721056), (8, 1700660), (10, 1360528), (13, 1046560), (16, 850330), (20, 680264), (26, 523280), (31, 438880), (32, 425165), (40, 340132), (52, 261640), (62, 219440), (65, 209312), (80, 170066), (104, 130820), (124, 109720), (130, 104656), (155, 87776), (160, 85033), (208, 65410), (211, 64480), (248, 54860), (260, 52328), (310, 43888), (403, 33760), (416, 32705), (422, 32240), (496, 27430), (520, 26164), (620, 21944), (806, 16880), (844, 16120), (992, 13715), (1040, 13082), (1055, 12896), (1240, 10972), (1612, 8440), (1688, 8060), (2015, 6752), (2080, 6541), (2110, 6448), (2480, 5486), (2743, 4960), (3224, 4220), (3376, 4030)]