8538640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 22427136

約数和(自身を除く): 13888496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 313, 341, 440, 496, 620, 626, 682, 880, 1240, 1252, 1364, 1565, 1705, 2480, 2504, 2728, 3130, 3410, 3443, 5008, 5456, 6260, 6820, 6886, 9703, 12520, 13640, 13772, 17215, 19406, 25040, 27280, 27544, 34430, 38812, 48515, 55088, 68860, 77624, 97030, 106733, 137720, 155248, 194060, 213466, 275440, 388120, 426932, 533665, 776240, 853864, 1067330, 1707728, 2134660, 4269320, 8538640]

約数ペア:

[(1, 8538640), (2, 4269320), (4, 2134660), (5, 1707728), (8, 1067330), (10, 853864), (11, 776240), (16, 533665), (20, 426932), (22, 388120), (31, 275440), (40, 213466), (44, 194060), (55, 155248), (62, 137720), (80, 106733), (88, 97030), (110, 77624), (124, 68860), (155, 55088), (176, 48515), (220, 38812), (248, 34430), (310, 27544), (313, 27280), (341, 25040), (440, 19406), (496, 17215), (620, 13772), (626, 13640), (682, 12520), (880, 9703), (1240, 6886), (1252, 6820), (1364, 6260), (1565, 5456), (1705, 5008), (2480, 3443), (2504, 3410), (2728, 3130)]