291276264080

素因数分解:

$2^4\times 5^1\times {\mathrm{3640953301}}^1$

素因数の和:3640953314

約数の個数: 20

約数和(自身を含む): 677217314172

約数和(自身を除く): 385941050092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3640953301, 7281906602, 14563813204, 18204766505, 29127626408, 36409533010, 58255252816, 72819066020, 145638132040, 291276264080]

約数ペア:

[(1, 291276264080), (2, 145638132040), (4, 72819066020), (5, 58255252816), (8, 36409533010), (10, 29127626408), (16, 18204766505), (20, 14563813204), (40, 7281906602), (80, 3640953301)]