129866750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 270466560

約数和(自身を除く): 140599810

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 775, 806, 1289, 1550, 1625, 2015, 2578, 3250, 3875, 4030, 6445, 7750, 10075, 12890, 16757, 20150, 32225, 33514, 39959, 50375, 64450, 79918, 83785, 100750, 161125, 167570, 199795, 322250, 399590, 418925, 519467, 837850, 998975, 1038934, 1997950, 2094625, 2597335, 4189250, 4994875, 5194670, 9989750, 12986675, 25973350, 64933375, 129866750]

約数ペア:

[(1, 129866750), (2, 64933375), (5, 25973350), (10, 12986675), (13, 9989750), (25, 5194670), (26, 4994875), (31, 4189250), (50, 2597335), (62, 2094625), (65, 1997950), (125, 1038934), (130, 998975), (155, 837850), (250, 519467), (310, 418925), (325, 399590), (403, 322250), (650, 199795), (775, 167570), (806, 161125), (1289, 100750), (1550, 83785), (1625, 79918), (2015, 64450), (2578, 50375), (3250, 39959), (3875, 33514), (4030, 32225), (6445, 20150), (7750, 16757), (10075, 12890)]