80951140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{76369}}^1$

素因数の和:76431

約数の個数: 24

約数和(自身を含む): 173207160

約数和(自身を除く): 92256020

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 76369, 152738, 305476, 381845, 763690, 1527380, 4047557, 8095114, 16190228, 20237785, 40475570, 80951140]

約数ペア:

[(1, 80951140), (2, 40475570), (4, 20237785), (5, 16190228), (10, 8095114), (20, 4047557), (53, 1527380), (106, 763690), (212, 381845), (265, 305476), (530, 152738), (1060, 76369)]