12921920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3671}}^1$

素因数の和:3699

約数の個数: 56

約数和(自身を含む): 33576768

約数和(自身を除く): 20654848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 3671, 7342, 14684, 18355, 29368, 36710, 40381, 58736, 73420, 80762, 117472, 146840, 161524, 201905, 234944, 293680, 323048, 403810, 587360, 646096, 807620, 1174720, 1292192, 1615240, 2584384, 3230480, 6460960, 12921920]

約数ペア:

[(1, 12921920), (2, 6460960), (4, 3230480), (5, 2584384), (8, 1615240), (10, 1292192), (11, 1174720), (16, 807620), (20, 646096), (22, 587360), (32, 403810), (40, 323048), (44, 293680), (55, 234944), (64, 201905), (80, 161524), (88, 146840), (110, 117472), (160, 80762), (176, 73420), (220, 58736), (320, 40381), (352, 36710), (440, 29368), (704, 18355), (880, 14684), (1760, 7342), (3520, 3671)]