40286120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143879}}^1$

素因数の和:143897

約数の個数: 32

約数和(自身を含む): 103593600

約数和(自身を除く): 63307480

約数列:

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

約数ペア:

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