78234020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205879}}^1$

素因数の和:205907

約数の個数: 24

約数和(自身を含む): 172939200

約数和(自身を除く): 94705180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205879, 411758, 823516, 1029395, 2058790, 3911701, 4117580, 7823402, 15646804, 19558505, 39117010, 78234020]

約数ペア:

[(1, 78234020), (2, 39117010), (4, 19558505), (5, 15646804), (10, 7823402), (19, 4117580), (20, 3911701), (38, 2058790), (76, 1029395), (95, 823516), (190, 411758), (380, 205879)]