25147820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 55738368

約数和(自身を除く): 30590548

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 863, 940, 1457, 1726, 2914, 3452, 4315, 5828, 7285, 8630, 14570, 17260, 26753, 29140, 40561, 53506, 81122, 107012, 133765, 162244, 202805, 267530, 405610, 535060, 811220, 1257391, 2514782, 5029564, 6286955, 12573910, 25147820]

約数ペア:

[(1, 25147820), (2, 12573910), (4, 6286955), (5, 5029564), (10, 2514782), (20, 1257391), (31, 811220), (47, 535060), (62, 405610), (94, 267530), (124, 202805), (155, 162244), (188, 133765), (235, 107012), (310, 81122), (470, 53506), (620, 40561), (863, 29140), (940, 26753), (1457, 17260), (1726, 14570), (2914, 8630), (3452, 7285), (4315, 5828)]