56465560

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5209}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 127540800

約数和(自身を除く): 71075240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5209, 5420, 10418, 10840, 20836, 26045, 41672, 52090, 104180, 208360, 1411639, 2823278, 5646556, 7058195, 11293112, 14116390, 28232780, 56465560]

約数ペア:

[(1, 56465560), (2, 28232780), (4, 14116390), (5, 11293112), (8, 7058195), (10, 5646556), (20, 2823278), (40, 1411639), (271, 208360), (542, 104180), (1084, 52090), (1355, 41672), (2168, 26045), (2710, 20836), (5209, 10840), (5420, 10418)]