191655760

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3467}}^1$

素因数の和:4171

約数の個数: 40

約数和(自身を含む): 446373216

約数和(自身を除く): 254717456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 3467, 5528, 6910, 6934, 11056, 13820, 13868, 17335, 27640, 27736, 34670, 55280, 55472, 69340, 138680, 277360, 2395697, 4791394, 9582788, 11978485, 19165576, 23956970, 38331152, 47913940, 95827880, 191655760]

約数ペア:

[(1, 191655760), (2, 95827880), (4, 47913940), (5, 38331152), (8, 23956970), (10, 19165576), (16, 11978485), (20, 9582788), (40, 4791394), (80, 2395697), (691, 277360), (1382, 138680), (2764, 69340), (3455, 55472), (3467, 55280), (5528, 34670), (6910, 27736), (6934, 27640), (11056, 17335), (13820, 13868)]