66928520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{57697}}^1$

素因数の和:57737

約数の個数: 32

約数和(自身を含む): 155784600

約数和(自身を除く): 88856080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 57697, 115394, 230788, 288485, 461576, 576970, 1153940, 1673213, 2307880, 3346426, 6692852, 8366065, 13385704, 16732130, 33464260, 66928520]

約数ペア:

[(1, 66928520), (2, 33464260), (4, 16732130), (5, 13385704), (8, 8366065), (10, 6692852), (20, 3346426), (29, 2307880), (40, 1673213), (58, 1153940), (116, 576970), (145, 461576), (232, 288485), (290, 230788), (580, 115394), (1160, 57697)]