51181240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 126372960

約数和(自身を除く): 75191720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 293, 397, 440, 586, 794, 1172, 1465, 1588, 1985, 2344, 2930, 3176, 3223, 3970, 4367, 5860, 6446, 7940, 8734, 11720, 12892, 15880, 16115, 17468, 21835, 25784, 32230, 34936, 43670, 64460, 87340, 116321, 128920, 174680, 232642, 465284, 581605, 930568, 1163210, 1279531, 2326420, 2559062, 4652840, 5118124, 6397655, 10236248, 12795310, 25590620, 51181240]

約数ペア:

[(1, 51181240), (2, 25590620), (4, 12795310), (5, 10236248), (8, 6397655), (10, 5118124), (11, 4652840), (20, 2559062), (22, 2326420), (40, 1279531), (44, 1163210), (55, 930568), (88, 581605), (110, 465284), (220, 232642), (293, 174680), (397, 128920), (440, 116321), (586, 87340), (794, 64460), (1172, 43670), (1465, 34936), (1588, 32230), (1985, 25784), (2344, 21835), (2930, 17468), (3176, 16115), (3223, 15880), (3970, 12892), (4367, 11720), (5860, 8734), (6446, 7940)]