15660125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 22014720

約数和(自身を除く): 6354595

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 419, 575, 1495, 1625, 2095, 2875, 5447, 7475, 9637, 10475, 27235, 37375, 48185, 52375, 125281, 136175, 240925, 626405, 680875, 1204625, 3132025, 15660125]

約数ペア:

[(1, 15660125), (5, 3132025), (13, 1204625), (23, 680875), (25, 626405), (65, 240925), (115, 136175), (125, 125281), (299, 52375), (325, 48185), (419, 37375), (575, 27235), (1495, 10475), (1625, 9637), (2095, 7475), (2875, 5447)]