8970271780

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{649079}}^1$

素因数の和:649779

約数の個数: 24

約数和(自身を含む): 18864861120

約数和(自身を除く): 9894589340

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 649079, 1298158, 2596316, 3245395, 6490790, 12981580, 448513589, 897027178, 1794054356, 2242567945, 4485135890, 8970271780]

約数ペア:

[(1, 8970271780), (2, 4485135890), (4, 2242567945), (5, 1794054356), (10, 897027178), (20, 448513589), (691, 12981580), (1382, 6490790), (2764, 3245395), (3455, 2596316), (6910, 1298158), (13820, 649079)]