8770520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 22256640

約数和(自身を除く): 13486120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 643, 682, 1240, 1286, 1364, 1705, 2572, 2728, 3215, 3410, 5144, 6430, 6820, 7073, 12860, 13640, 14146, 19933, 25720, 28292, 35365, 39866, 56584, 70730, 79732, 99665, 141460, 159464, 199330, 219263, 282920, 398660, 438526, 797320, 877052, 1096315, 1754104, 2192630, 4385260, 8770520]

約数ペア:

[(1, 8770520), (2, 4385260), (4, 2192630), (5, 1754104), (8, 1096315), (10, 877052), (11, 797320), (20, 438526), (22, 398660), (31, 282920), (40, 219263), (44, 199330), (55, 159464), (62, 141460), (88, 99665), (110, 79732), (124, 70730), (155, 56584), (220, 39866), (248, 35365), (310, 28292), (341, 25720), (440, 19933), (620, 14146), (643, 13640), (682, 12860), (1240, 7073), (1286, 6820), (1364, 6430), (1705, 5144), (2572, 3410), (2728, 3215)]