25464725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 13907755

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 419, 425, 715, 935, 1105, 2095, 2431, 3575, 4609, 4675, 5447, 5525, 7123, 10475, 12155, 23045, 27235, 35615, 59917, 60775, 78353, 92599, 115225, 136175, 178075, 299585, 391765, 462995, 1018589, 1497925, 1958825, 2314975, 5092945, 25464725]

約数ペア:

[(1, 25464725), (5, 5092945), (11, 2314975), (13, 1958825), (17, 1497925), (25, 1018589), (55, 462995), (65, 391765), (85, 299585), (143, 178075), (187, 136175), (221, 115225), (275, 92599), (325, 78353), (419, 60775), (425, 59917), (715, 35615), (935, 27235), (1105, 23045), (2095, 12155), (2431, 10475), (3575, 7123), (4609, 5525), (4675, 5447)]