16440125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 22573824

約数和(自身を除く): 6133699

約数列:

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

約数ペア:

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