12257080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 30520800

約数和(自身を除く): 18263720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 313, 356, 440, 445, 626, 712, 890, 979, 1252, 1565, 1780, 1958, 2504, 3130, 3443, 3560, 3916, 4895, 6260, 6886, 7832, 9790, 12520, 13772, 17215, 19580, 27544, 27857, 34430, 39160, 55714, 68860, 111428, 137720, 139285, 222856, 278570, 306427, 557140, 612854, 1114280, 1225708, 1532135, 2451416, 3064270, 6128540, 12257080]

約数ペア:

[(1, 12257080), (2, 6128540), (4, 3064270), (5, 2451416), (8, 1532135), (10, 1225708), (11, 1114280), (20, 612854), (22, 557140), (40, 306427), (44, 278570), (55, 222856), (88, 139285), (89, 137720), (110, 111428), (178, 68860), (220, 55714), (313, 39160), (356, 34430), (440, 27857), (445, 27544), (626, 19580), (712, 17215), (890, 13772), (979, 12520), (1252, 9790), (1565, 7832), (1780, 6886), (1958, 6260), (2504, 4895), (3130, 3916), (3443, 3560)]