395532080

素因数分解:

$2^4\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{2269}}^1$

素因数の和:4461

約数の個数: 40

約数和(自身を含む): 920439600

約数和(自身を除く): 524907520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2179, 2269, 4358, 4538, 8716, 9076, 10895, 11345, 17432, 18152, 21790, 22690, 34864, 36304, 43580, 45380, 87160, 90760, 174320, 181520, 4944151, 9888302, 19776604, 24720755, 39553208, 49441510, 79106416, 98883020, 197766040, 395532080]

約数ペア:

[(1, 395532080), (2, 197766040), (4, 98883020), (5, 79106416), (8, 49441510), (10, 39553208), (16, 24720755), (20, 19776604), (40, 9888302), (80, 4944151), (2179, 181520), (2269, 174320), (4358, 90760), (4538, 87160), (8716, 45380), (9076, 43580), (10895, 36304), (11345, 34864), (17432, 22690), (18152, 21790)]