200020525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4231}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 260284928

約数和(自身を除く): 60264403

約数列:

[1, 5, 25, 31, 61, 155, 305, 775, 1525, 1891, 4231, 9455, 21155, 47275, 105775, 131161, 258091, 655805, 1290455, 3279025, 6452275, 8000821, 40004105, 200020525]

約数ペア:

[(1, 200020525), (5, 40004105), (25, 8000821), (31, 6452275), (61, 3279025), (155, 1290455), (305, 655805), (775, 258091), (1525, 131161), (1891, 105775), (4231, 47275), (9455, 21155)]