80307140

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{5879}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 168920640

約数和(自身を除く): 88613500

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 5879, 6830, 11758, 13660, 23516, 29395, 58790, 117580, 4015357, 8030714, 16061428, 20076785, 40153570, 80307140]

約数ペア:

[(1, 80307140), (2, 40153570), (4, 20076785), (5, 16061428), (10, 8030714), (20, 4015357), (683, 117580), (1366, 58790), (2732, 29395), (3415, 23516), (5879, 13660), (6830, 11758)]