80572240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143879}}^1$

素因数の和:143899

約数の個数: 40

約数和(自身を含む): 214093440

約数和(自身を除く): 133521200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143879, 287758, 575516, 719395, 1007153, 1151032, 1438790, 2014306, 2302064, 2877580, 4028612, 5035765, 5755160, 8057224, 10071530, 11510320, 16114448, 20143060, 40286120, 80572240]

約数ペア:

[(1, 80572240), (2, 40286120), (4, 20143060), (5, 16114448), (7, 11510320), (8, 10071530), (10, 8057224), (14, 5755160), (16, 5035765), (20, 4028612), (28, 2877580), (35, 2302064), (40, 2014306), (56, 1438790), (70, 1151032), (80, 1007153), (112, 719395), (140, 575516), (280, 287758), (560, 143879)]