9856220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 22934016

約数和(自身を除く): 13077796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 631, 710, 781, 1262, 1420, 1562, 2524, 3124, 3155, 3905, 6310, 6941, 7810, 12620, 13882, 15620, 27764, 34705, 44801, 69410, 89602, 138820, 179204, 224005, 448010, 492811, 896020, 985622, 1971244, 2464055, 4928110, 9856220]

約数ペア:

[(1, 9856220), (2, 4928110), (4, 2464055), (5, 1971244), (10, 985622), (11, 896020), (20, 492811), (22, 448010), (44, 224005), (55, 179204), (71, 138820), (110, 89602), (142, 69410), (220, 44801), (284, 34705), (355, 27764), (631, 15620), (710, 13882), (781, 12620), (1262, 7810), (1420, 6941), (1562, 6310), (2524, 3905), (3124, 3155)]