90409280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 235208064

約数和(自身を除く): 144798784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 130, 160, 206, 208, 211, 260, 320, 412, 416, 422, 515, 520, 824, 832, 844, 1030, 1040, 1055, 1339, 1648, 1688, 2060, 2080, 2110, 2678, 2743, 3296, 3376, 4120, 4160, 4220, 5356, 5486, 6592, 6695, 6752, 8240, 8440, 10712, 10972, 13390, 13504, 13715, 16480, 16880, 21424, 21733, 21944, 26780, 27430, 32960, 33760, 42848, 43466, 43888, 53560, 54860, 67520, 85696, 86932, 87776, 107120, 108665, 109720, 173864, 175552, 214240, 217330, 219440, 282529, 347728, 428480, 434660, 438880, 565058, 695456, 869320, 877760, 1130116, 1390912, 1412645, 1738640, 2260232, 2825290, 3477280, 4520464, 5650580, 6954560, 9040928, 11301160, 18081856, 22602320, 45204640, 90409280]

約数ペア:

[(1, 90409280), (2, 45204640), (4, 22602320), (5, 18081856), (8, 11301160), (10, 9040928), (13, 6954560), (16, 5650580), (20, 4520464), (26, 3477280), (32, 2825290), (40, 2260232), (52, 1738640), (64, 1412645), (65, 1390912), (80, 1130116), (103, 877760), (104, 869320), (130, 695456), (160, 565058), (206, 438880), (208, 434660), (211, 428480), (260, 347728), (320, 282529), (412, 219440), (416, 217330), (422, 214240), (515, 175552), (520, 173864), (824, 109720), (832, 108665), (844, 107120), (1030, 87776), (1040, 86932), (1055, 85696), (1339, 67520), (1648, 54860), (1688, 53560), (2060, 43888), (2080, 43466), (2110, 42848), (2678, 33760), (2743, 32960), (3296, 27430), (3376, 26780), (4120, 21944), (4160, 21733), (4220, 21424), (5356, 16880), (5486, 16480), (6592, 13715), (6695, 13504), (6752, 13390), (8240, 10972), (8440, 10712)]