129776890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5298

約数の個数: 32

約数和(自身を含む): 243265680

約数和(自身を除く): 113488790

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 2501, 5002, 5189, 10378, 12505, 25010, 25945, 51890, 212749, 316529, 425498, 633058, 1063745, 1582645, 2127490, 3165290, 12977689, 25955378, 64888445, 129776890]

約数ペア:

[(1, 129776890), (2, 64888445), (5, 25955378), (10, 12977689), (41, 3165290), (61, 2127490), (82, 1582645), (122, 1063745), (205, 633058), (305, 425498), (410, 316529), (610, 212749), (2501, 51890), (5002, 25945), (5189, 25010), (10378, 12505)]