63889780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8849}}^1$

素因数の和:8896

約数の個数: 36

約数和(自身を含む): 141617700

約数和(自身を除く): 77727920

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 8849, 17698, 35396, 44245, 88490, 168131, 176980, 336262, 672524, 840655, 1681310, 3194489, 3362620, 6388978, 12777956, 15972445, 31944890, 63889780]

約数ペア:

[(1, 63889780), (2, 31944890), (4, 15972445), (5, 12777956), (10, 6388978), (19, 3362620), (20, 3194489), (38, 1681310), (76, 840655), (95, 672524), (190, 336262), (361, 176980), (380, 168131), (722, 88490), (1444, 44245), (1805, 35396), (3610, 17698), (7220, 8849)]