39893840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10177}}^1$

素因数の和:10204

約数の個数: 60

約数和(自身を含む): 107907156

約数和(自身を除く): 68013316

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10177, 20354, 40708, 50885, 71239, 81416, 101770, 142478, 162832, 203540, 284956, 356195, 407080, 498673, 569912, 712390, 814160, 997346, 1139824, 1424780, 1994692, 2493365, 2849560, 3989384, 4986730, 5699120, 7978768, 9973460, 19946920, 39893840]

約数ペア:

[(1, 39893840), (2, 19946920), (4, 9973460), (5, 7978768), (7, 5699120), (8, 4986730), (10, 3989384), (14, 2849560), (16, 2493365), (20, 1994692), (28, 1424780), (35, 1139824), (40, 997346), (49, 814160), (56, 712390), (70, 569912), (80, 498673), (98, 407080), (112, 356195), (140, 284956), (196, 203540), (245, 162832), (280, 142478), (392, 101770), (490, 81416), (560, 71239), (784, 50885), (980, 40708), (1960, 20354), (3920, 10177)]