137064680

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6577}}^1$

素因数の和:7109

約数の個数: 32

約数和(自身を含む): 309034440

約数和(自身を除く): 171969760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 6577, 10420, 13154, 20840, 26308, 32885, 52616, 65770, 131540, 263080, 3426617, 6853234, 13706468, 17133085, 27412936, 34266170, 68532340, 137064680]

約数ペア:

[(1, 137064680), (2, 68532340), (4, 34266170), (5, 27412936), (8, 17133085), (10, 13706468), (20, 6853234), (40, 3426617), (521, 263080), (1042, 131540), (2084, 65770), (2605, 52616), (4168, 32885), (5210, 26308), (6577, 20840), (10420, 13154)]