2065642220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1\times {\mathrm{2081}}^1$

素因数の和:3722

約数の個数: 48

約数和(自身を含む): 4482729216

約数和(自身を除く): 2417086996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1601, 2081, 3202, 4162, 6404, 8005, 8324, 10405, 16010, 20810, 32020, 41620, 49631, 64511, 99262, 129022, 198524, 248155, 258044, 322555, 496310, 645110, 992620, 1290220, 3331681, 6663362, 13326724, 16658405, 33316810, 66633620, 103282111, 206564222, 413128444, 516410555, 1032821110, 2065642220]

約数ペア:

[(1, 2065642220), (2, 1032821110), (4, 516410555), (5, 413128444), (10, 206564222), (20, 103282111), (31, 66633620), (62, 33316810), (124, 16658405), (155, 13326724), (310, 6663362), (620, 3331681), (1601, 1290220), (2081, 992620), (3202, 645110), (4162, 496310), (6404, 322555), (8005, 258044), (8324, 248155), (10405, 198524), (16010, 129022), (20810, 99262), (32020, 64511), (41620, 49631)]