8119280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 20977824

約数和(自身を除く): 12858544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 211, 260, 296, 370, 422, 481, 520, 592, 740, 844, 962, 1040, 1055, 1480, 1688, 1924, 2110, 2405, 2743, 2960, 3376, 3848, 4220, 4810, 5486, 7696, 7807, 8440, 9620, 10972, 13715, 15614, 16880, 19240, 21944, 27430, 31228, 38480, 39035, 43888, 54860, 62456, 78070, 101491, 109720, 124912, 156140, 202982, 219440, 312280, 405964, 507455, 624560, 811928, 1014910, 1623856, 2029820, 4059640, 8119280]

約数ペア:

[(1, 8119280), (2, 4059640), (4, 2029820), (5, 1623856), (8, 1014910), (10, 811928), (13, 624560), (16, 507455), (20, 405964), (26, 312280), (37, 219440), (40, 202982), (52, 156140), (65, 124912), (74, 109720), (80, 101491), (104, 78070), (130, 62456), (148, 54860), (185, 43888), (208, 39035), (211, 38480), (260, 31228), (296, 27430), (370, 21944), (422, 19240), (481, 16880), (520, 15614), (592, 13715), (740, 10972), (844, 9620), (962, 8440), (1040, 7807), (1055, 7696), (1480, 5486), (1688, 4810), (1924, 4220), (2110, 3848), (2405, 3376), (2743, 2960)]