2578490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 5019840

約数和(自身を除く): 2441350

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 331, 410, 662, 779, 1558, 1655, 3310, 3895, 6289, 7790, 12578, 13571, 27142, 31445, 62890, 67855, 135710, 257849, 515698, 1289245, 2578490]

約数ペア:

[(1, 2578490), (2, 1289245), (5, 515698), (10, 257849), (19, 135710), (38, 67855), (41, 62890), (82, 31445), (95, 27142), (190, 13571), (205, 12578), (331, 7790), (410, 6289), (662, 3895), (779, 3310), (1558, 1655)]