4025625

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 7122720

約数和(自身を除く): 3097095

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 113, 125, 285, 339, 375, 475, 565, 625, 1425, 1695, 1875, 2147, 2375, 2825, 6441, 7125, 8475, 10735, 11875, 14125, 32205, 35625, 42375, 53675, 70625, 161025, 211875, 268375, 805125, 1341875, 4025625]

約数ペア:

[(1, 4025625), (3, 1341875), (5, 805125), (15, 268375), (19, 211875), (25, 161025), (57, 70625), (75, 53675), (95, 42375), (113, 35625), (125, 32205), (285, 14125), (339, 11875), (375, 10735), (475, 8475), (565, 7125), (625, 6441), (1425, 2825), (1695, 2375), (1875, 2147)]