7905625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 12246080

約数和(自身を除く): 4340455

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 139, 175, 325, 455, 625, 695, 875, 973, 1625, 1807, 2275, 3475, 4375, 4865, 8125, 9035, 11375, 12649, 17375, 24325, 45175, 56875, 63245, 86875, 121625, 225875, 316225, 608125, 1129375, 1581125, 7905625]

約数ペア:

[(1, 7905625), (5, 1581125), (7, 1129375), (13, 608125), (25, 316225), (35, 225875), (65, 121625), (91, 86875), (125, 63245), (139, 56875), (175, 45175), (325, 24325), (455, 17375), (625, 12649), (695, 11375), (875, 9035), (973, 8125), (1625, 4865), (1807, 4375), (2275, 3475)]