85548220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4451}}^1$

素因数の和:4522

約数の個数: 36

約数和(自身を含む): 185675112

約数和(自身を除く): 100126892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4451, 4805, 8902, 9610, 17804, 19220, 22255, 44510, 89020, 137981, 275962, 551924, 689905, 1379810, 2759620, 4277411, 8554822, 17109644, 21387055, 42774110, 85548220]

約数ペア:

[(1, 85548220), (2, 42774110), (4, 21387055), (5, 17109644), (10, 8554822), (20, 4277411), (31, 2759620), (62, 1379810), (124, 689905), (155, 551924), (310, 275962), (620, 137981), (961, 89020), (1922, 44510), (3844, 22255), (4451, 19220), (4805, 17804), (8902, 9610)]