1038465800

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{26357}}^1$

素因数の和:26570

約数の個数: 48

約数和(自身を含む): 2426781060

約数和(自身を除く): 1388315260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3940, 4925, 7880, 9850, 19700, 26357, 39400, 52714, 105428, 131785, 210856, 263570, 527140, 658925, 1054280, 1317850, 2635700, 5192329, 5271400, 10384658, 20769316, 25961645, 41538632, 51923290, 103846580, 129808225, 207693160, 259616450, 519232900, 1038465800]

約数ペア:

[(1, 1038465800), (2, 519232900), (4, 259616450), (5, 207693160), (8, 129808225), (10, 103846580), (20, 51923290), (25, 41538632), (40, 25961645), (50, 20769316), (100, 10384658), (197, 5271400), (200, 5192329), (394, 2635700), (788, 1317850), (985, 1054280), (1576, 658925), (1970, 527140), (3940, 263570), (4925, 210856), (7880, 131785), (9850, 105428), (19700, 52714), (26357, 39400)]