80492620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18211}}^1$

素因数の和:18250

約数の個数: 48

約数和(自身を含む): 192755808

約数和(自身を除く): 112263188

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18211, 36422, 72844, 91055, 182110, 236743, 309587, 364220, 473486, 619174, 946972, 1183715, 1238348, 1547935, 2367430, 3095870, 4024631, 4734860, 6191740, 8049262, 16098524, 20123155, 40246310, 80492620]

約数ペア:

[(1, 80492620), (2, 40246310), (4, 20123155), (5, 16098524), (10, 8049262), (13, 6191740), (17, 4734860), (20, 4024631), (26, 3095870), (34, 2367430), (52, 1547935), (65, 1238348), (68, 1183715), (85, 946972), (130, 619174), (170, 473486), (221, 364220), (260, 309587), (340, 236743), (442, 182110), (884, 91055), (1105, 72844), (2210, 36422), (4420, 18211)]