82803880

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11437}}^1$

素因数の和:11629

約数の個数: 32

約数和(自身を含む): 187354440

約数和(自身を除く): 104550560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 11437, 22874, 45748, 57185, 91496, 114370, 228740, 457480, 2070097, 4140194, 8280388, 10350485, 16560776, 20700970, 41401940, 82803880]

約数ペア:

[(1, 82803880), (2, 41401940), (4, 20700970), (5, 16560776), (8, 10350485), (10, 8280388), (20, 4140194), (40, 2070097), (181, 457480), (362, 228740), (724, 114370), (905, 91496), (1448, 57185), (1810, 45748), (3620, 22874), (7240, 11437)]