7425954440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4528021}}^1$

素因数の和:4528073

約数の個数: 32

約数和(自身を含む): 17115923160

約数和(自身を除く): 9689968720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4528021, 9056042, 18112084, 22640105, 36224168, 45280210, 90560420, 181120840, 185648861, 371297722, 742595444, 928244305, 1485190888, 1856488610, 3712977220, 7425954440]

約数ペア:

[(1, 7425954440), (2, 3712977220), (4, 1856488610), (5, 1485190888), (8, 928244305), (10, 742595444), (20, 371297722), (40, 185648861), (41, 181120840), (82, 90560420), (164, 45280210), (205, 36224168), (328, 22640105), (410, 18112084), (820, 9056042), (1640, 4528021)]