5590540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 12386304

約数和(自身を除く): 6795764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 127, 142, 155, 254, 284, 310, 355, 508, 620, 635, 710, 1270, 1420, 2201, 2540, 3937, 4402, 7874, 8804, 9017, 11005, 15748, 18034, 19685, 22010, 36068, 39370, 44020, 45085, 78740, 90170, 180340, 279527, 559054, 1118108, 1397635, 2795270, 5590540]

約数ペア:

[(1, 5590540), (2, 2795270), (4, 1397635), (5, 1118108), (10, 559054), (20, 279527), (31, 180340), (62, 90170), (71, 78740), (124, 45085), (127, 44020), (142, 39370), (155, 36068), (254, 22010), (284, 19685), (310, 18034), (355, 15748), (508, 11005), (620, 9017), (635, 8804), (710, 7874), (1270, 4402), (1420, 3937), (2201, 2540)]