56716220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3631}}^1$

素因数の和:3722

約数の個数: 48

約数和(自身を含む): 131798016

約数和(自身を除く): 75081796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3631, 3905, 7262, 7810, 14524, 15620, 18155, 36310, 39941, 72620, 79882, 159764, 199705, 257801, 399410, 515602, 798820, 1031204, 1289005, 2578010, 2835811, 5156020, 5671622, 11343244, 14179055, 28358110, 56716220]

約数ペア:

[(1, 56716220), (2, 28358110), (4, 14179055), (5, 11343244), (10, 5671622), (11, 5156020), (20, 2835811), (22, 2578010), (44, 1289005), (55, 1031204), (71, 798820), (110, 515602), (142, 399410), (220, 257801), (284, 199705), (355, 159764), (710, 79882), (781, 72620), (1420, 39941), (1562, 36310), (3124, 18155), (3631, 15620), (3905, 14524), (7262, 7810)]