256237457680

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{43876277}}^1$

素因数の和:43876363

約数の個数: 40

約数和(自身を含む): 603913090392

約数和(自身を除く): 347675632712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 43876277, 87752554, 175505108, 219381385, 351010216, 438762770, 702020432, 877525540, 1755051080, 3202968221, 3510102160, 6405936442, 12811872884, 16014841105, 25623745768, 32029682210, 51247491536, 64059364420, 128118728840, 256237457680]

約数ペア:

[(1, 256237457680), (2, 128118728840), (4, 64059364420), (5, 51247491536), (8, 32029682210), (10, 25623745768), (16, 16014841105), (20, 12811872884), (40, 6405936442), (73, 3510102160), (80, 3202968221), (146, 1755051080), (292, 877525540), (365, 702020432), (584, 438762770), (730, 351010216), (1168, 219381385), (1460, 175505108), (2920, 87752554), (5840, 43876277)]