55666820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 128048256

約数和(自身を除く): 72381436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 631, 802, 1262, 1604, 2005, 2524, 3155, 4010, 4411, 6310, 6941, 8020, 8822, 12620, 13882, 17644, 22055, 27764, 34705, 44110, 69410, 88220, 138820, 253031, 506062, 1012124, 1265155, 2530310, 2783341, 5060620, 5566682, 11133364, 13916705, 27833410, 55666820]

約数ペア:

[(1, 55666820), (2, 27833410), (4, 13916705), (5, 11133364), (10, 5566682), (11, 5060620), (20, 2783341), (22, 2530310), (44, 1265155), (55, 1012124), (110, 506062), (220, 253031), (401, 138820), (631, 88220), (802, 69410), (1262, 44110), (1604, 34705), (2005, 27764), (2524, 22055), (3155, 17644), (4010, 13882), (4411, 12620), (6310, 8822), (6941, 8020)]