1308125

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 2099328

約数和(自身を除く): 791203

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 125, 161, 175, 299, 325, 455, 575, 625, 805, 875, 1495, 1625, 2093, 2275, 2875, 4025, 4375, 7475, 8125, 10465, 11375, 14375, 20125, 37375, 52325, 56875, 100625, 186875, 261625, 1308125]

約数ペア:

[(1, 1308125), (5, 261625), (7, 186875), (13, 100625), (23, 56875), (25, 52325), (35, 37375), (65, 20125), (91, 14375), (115, 11375), (125, 10465), (161, 8125), (175, 7475), (299, 4375), (325, 4025), (455, 2875), (575, 2275), (625, 2093), (805, 1625), (875, 1495)]