12868750

素因数分解:

$2^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 12442130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 125, 142, 145, 250, 290, 355, 625, 710, 725, 1250, 1450, 1775, 2059, 3125, 3550, 3625, 4118, 6250, 7250, 8875, 10295, 17750, 18125, 20590, 36250, 44375, 51475, 88750, 90625, 102950, 181250, 221875, 257375, 443750, 514750, 1286875, 2573750, 6434375, 12868750]

約数ペア:

[(1, 12868750), (2, 6434375), (5, 2573750), (10, 1286875), (25, 514750), (29, 443750), (50, 257375), (58, 221875), (71, 181250), (125, 102950), (142, 90625), (145, 88750), (250, 51475), (290, 44375), (355, 36250), (625, 20590), (710, 18125), (725, 17750), (1250, 10295), (1450, 8875), (1775, 7250), (2059, 6250), (3125, 4118), (3550, 3625)]