28070125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9669395

約数列:

[1, 5, 19, 25, 53, 95, 125, 223, 265, 475, 1007, 1115, 1325, 2375, 4237, 5035, 5575, 6625, 11819, 21185, 25175, 27875, 59095, 105925, 125875, 224561, 295475, 529625, 1122805, 1477375, 5614025, 28070125]

約数ペア:

[(1, 28070125), (5, 5614025), (19, 1477375), (25, 1122805), (53, 529625), (95, 295475), (125, 224561), (223, 125875), (265, 105925), (475, 59095), (1007, 27875), (1115, 25175), (1325, 21185), (2375, 11819), (4237, 6625), (5035, 5575)]