56018380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2861}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 129820320

約数和(自身を除く): 73801940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2861, 3916, 4895, 5722, 9790, 11444, 14305, 19580, 28610, 31471, 57220, 62942, 125884, 157355, 254629, 314710, 509258, 629420, 1018516, 1273145, 2546290, 2800919, 5092580, 5601838, 11203676, 14004595, 28009190, 56018380]

約数ペア:

[(1, 56018380), (2, 28009190), (4, 14004595), (5, 11203676), (10, 5601838), (11, 5092580), (20, 2800919), (22, 2546290), (44, 1273145), (55, 1018516), (89, 629420), (110, 509258), (178, 314710), (220, 254629), (356, 157355), (445, 125884), (890, 62942), (979, 57220), (1780, 31471), (1958, 28610), (2861, 19580), (3916, 14305), (4895, 11444), (5722, 9790)]