122903240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74941}}^1$

素因数の和:74993

約数の個数: 32

約数和(自身を含む): 283280760

約数和(自身を除く): 160377520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74941, 149882, 299764, 374705, 599528, 749410, 1498820, 2997640, 3072581, 6145162, 12290324, 15362905, 24580648, 30725810, 61451620, 122903240]

約数ペア:

[(1, 122903240), (2, 61451620), (4, 30725810), (5, 24580648), (8, 15362905), (10, 12290324), (20, 6145162), (40, 3072581), (41, 2997640), (82, 1498820), (164, 749410), (205, 599528), (328, 374705), (410, 299764), (820, 149882), (1640, 74941)]