260297140

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{6971}}^1$

素因数の和:8847

約数の個数: 24

約数和(自身を含む): 546995232

約数和(自身を除く): 286698092

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 6971, 7468, 9335, 13942, 18670, 27884, 34855, 37340, 69710, 139420, 13014857, 26029714, 52059428, 65074285, 130148570, 260297140]

約数ペア:

[(1, 260297140), (2, 130148570), (4, 65074285), (5, 52059428), (10, 26029714), (20, 13014857), (1867, 139420), (3734, 69710), (6971, 37340), (7468, 34855), (9335, 27884), (13942, 18670)]