1256408075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 1736409696

約数和(自身を除く): 480001621

約数列:

[1, 5, 13, 25, 37, 65, 163, 185, 325, 481, 641, 815, 925, 2119, 2405, 3205, 4075, 6031, 8333, 10595, 12025, 16025, 23717, 30155, 41665, 52975, 78403, 104483, 118585, 150775, 208325, 308321, 392015, 522415, 592925, 1358279, 1541605, 1960075, 2612075, 3865871, 6791395, 7708025, 19329355, 33956975, 50256323, 96646775, 251281615, 1256408075]

約数ペア:

[(1, 1256408075), (5, 251281615), (13, 96646775), (25, 50256323), (37, 33956975), (65, 19329355), (163, 7708025), (185, 6791395), (325, 3865871), (481, 2612075), (641, 1960075), (815, 1541605), (925, 1358279), (2119, 592925), (2405, 522415), (3205, 392015), (4075, 308321), (6031, 208325), (8333, 150775), (10595, 118585), (12025, 104483), (16025, 78403), (23717, 52975), (30155, 41665)]