82200625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 113013824

約数和(自身を除く): 30813199

約数列:

[1, 5, 13, 25, 65, 67, 125, 151, 325, 335, 625, 755, 871, 1625, 1675, 1963, 3775, 4355, 8125, 8375, 9815, 10117, 18875, 21775, 41875, 49075, 50585, 94375, 108875, 131521, 245375, 252925, 544375, 657605, 1226875, 1264625, 3288025, 6323125, 16440125, 82200625]

約数ペア:

[(1, 82200625), (5, 16440125), (13, 6323125), (25, 3288025), (65, 1264625), (67, 1226875), (125, 657605), (151, 544375), (325, 252925), (335, 245375), (625, 131521), (755, 108875), (871, 94375), (1625, 50585), (1675, 49075), (1963, 41875), (3775, 21775), (4355, 18875), (8125, 10117), (8375, 9815)]