220266160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88817}}^1$

素因数の和:88861

約数の個数: 40

約数和(自身を含む): 528644736

約数和(自身を除く): 308378576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88817, 177634, 355268, 444085, 710536, 888170, 1421072, 1776340, 2753327, 3552680, 5506654, 7105360, 11013308, 13766635, 22026616, 27533270, 44053232, 55066540, 110133080, 220266160]

約数ペア:

[(1, 220266160), (2, 110133080), (4, 55066540), (5, 44053232), (8, 27533270), (10, 22026616), (16, 13766635), (20, 11013308), (31, 7105360), (40, 5506654), (62, 3552680), (80, 2753327), (124, 1776340), (155, 1421072), (248, 888170), (310, 710536), (496, 444085), (620, 355268), (1240, 177634), (2480, 88817)]