39999480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 120558240

約数和(自身を除く): 80558760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1297, 1542, 2056, 2570, 2594, 3084, 3855, 3891, 5140, 5188, 6168, 6485, 7710, 7782, 10280, 10376, 12970, 15420, 15564, 19455, 25940, 30840, 31128, 38910, 51880, 77820, 155640, 333329, 666658, 999987, 1333316, 1666645, 1999974, 2666632, 3333290, 3999948, 4999935, 6666580, 7999896, 9999870, 13333160, 19999740, 39999480]

約数ペア:

[(1, 39999480), (2, 19999740), (3, 13333160), (4, 9999870), (5, 7999896), (6, 6666580), (8, 4999935), (10, 3999948), (12, 3333290), (15, 2666632), (20, 1999974), (24, 1666645), (30, 1333316), (40, 999987), (60, 666658), (120, 333329), (257, 155640), (514, 77820), (771, 51880), (1028, 38910), (1285, 31128), (1297, 30840), (1542, 25940), (2056, 19455), (2570, 15564), (2594, 15420), (3084, 12970), (3855, 10376), (3891, 10280), (5140, 7782), (5188, 7710), (6168, 6485)]