129728680

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{11069}}^1$

素因数の和:11373

約数の個数: 32

約数和(自身を含む): 292912200

約数和(自身を除く): 163183520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11069, 11720, 22138, 44276, 55345, 88552, 110690, 221380, 442760, 3243217, 6486434, 12972868, 16216085, 25945736, 32432170, 64864340, 129728680]

約数ペア:

[(1, 129728680), (2, 64864340), (4, 32432170), (5, 25945736), (8, 16216085), (10, 12972868), (20, 6486434), (40, 3243217), (293, 442760), (586, 221380), (1172, 110690), (1465, 88552), (2344, 55345), (2930, 44276), (5860, 22138), (11069, 11720)]