258325625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 350718984

約数和(自身を除く): 92393359

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 425, 593, 625, 697, 1025, 2125, 2965, 3485, 5125, 10081, 10625, 14825, 17425, 24313, 25625, 50405, 74125, 87125, 121565, 252025, 370625, 413321, 435625, 607825, 1260125, 2066605, 3039125, 6300625, 10333025, 15195625, 51665125, 258325625]

約数ペア:

[(1, 258325625), (5, 51665125), (17, 15195625), (25, 10333025), (41, 6300625), (85, 3039125), (125, 2066605), (205, 1260125), (425, 607825), (593, 435625), (625, 413321), (697, 370625), (1025, 252025), (2125, 121565), (2965, 87125), (3485, 74125), (5125, 50405), (10081, 25625), (10625, 24313), (14825, 17425)]