64538180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460987}}^1$

素因数の和:461003

約数の個数: 24

約数和(自身を含む): 154891968

約数和(自身を除く): 90353788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460987, 921974, 1843948, 2304935, 3226909, 4609870, 6453818, 9219740, 12907636, 16134545, 32269090, 64538180]

約数ペア:

[(1, 64538180), (2, 32269090), (4, 16134545), (5, 12907636), (7, 9219740), (10, 6453818), (14, 4609870), (20, 3226909), (28, 2304935), (35, 1843948), (70, 921974), (140, 460987)]