28760875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 42194880

約数和(自身を除く): 13434005

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1609, 1625, 3575, 8045, 17699, 17875, 20917, 40225, 88495, 104585, 201125, 230087, 442475, 522925, 1150435, 2212375, 2614625, 5752175, 28760875]

約数ペア:

[(1, 28760875), (5, 5752175), (11, 2614625), (13, 2212375), (25, 1150435), (55, 522925), (65, 442475), (125, 230087), (143, 201125), (275, 104585), (325, 88495), (715, 40225), (1375, 20917), (1609, 17875), (1625, 17699), (3575, 8045)]