268884080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{108421}}^1$

素因数の和:108465

約数の個数: 40

約数和(自身を含む): 645327744

約数和(自身を除く): 376443664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 108421, 216842, 433684, 542105, 867368, 1084210, 1734736, 2168420, 3361051, 4336840, 6722102, 8673680, 13444204, 16805255, 26888408, 33610510, 53776816, 67221020, 134442040, 268884080]

約数ペア:

[(1, 268884080), (2, 134442040), (4, 67221020), (5, 53776816), (8, 33610510), (10, 26888408), (16, 16805255), (20, 13444204), (31, 8673680), (40, 6722102), (62, 4336840), (80, 3361051), (124, 2168420), (155, 1734736), (248, 1084210), (310, 867368), (496, 542105), (620, 433684), (1240, 216842), (2480, 108421)]