557560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 1283040

約数和(自身を除く): 725480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 263, 265, 424, 526, 530, 1052, 1060, 1315, 2104, 2120, 2630, 5260, 10520, 13939, 27878, 55756, 69695, 111512, 139390, 278780, 557560]

約数ペア:

[(1, 557560), (2, 278780), (4, 139390), (5, 111512), (8, 69695), (10, 55756), (20, 27878), (40, 13939), (53, 10520), (106, 5260), (212, 2630), (263, 2120), (265, 2104), (424, 1315), (526, 1060), (530, 1052)]