71568020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 154804608

約数和(自身を除く): 83236588

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 428, 530, 535, 631, 1060, 1070, 1262, 2140, 2524, 3155, 5671, 6310, 11342, 12620, 22684, 28355, 33443, 56710, 66886, 67517, 113420, 133772, 135034, 167215, 270068, 334430, 337585, 668860, 675170, 1350340, 3578401, 7156802, 14313604, 17892005, 35784010, 71568020]

約数ペア:

[(1, 71568020), (2, 35784010), (4, 17892005), (5, 14313604), (10, 7156802), (20, 3578401), (53, 1350340), (106, 675170), (107, 668860), (212, 337585), (214, 334430), (265, 270068), (428, 167215), (530, 135034), (535, 133772), (631, 113420), (1060, 67517), (1070, 66886), (1262, 56710), (2140, 33443), (2524, 28355), (3155, 22684), (5671, 12620), (6310, 11342)]