7949920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4517}}^1$

素因数の和:4543

約数の個数: 48

約数和(自身を含む): 20493648

約数和(自身を除く): 12543728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4517, 9034, 18068, 22585, 36136, 45170, 49687, 72272, 90340, 99374, 144544, 180680, 198748, 248435, 361360, 397496, 496870, 722720, 794992, 993740, 1589984, 1987480, 3974960, 7949920]

約数ペア:

[(1, 7949920), (2, 3974960), (4, 1987480), (5, 1589984), (8, 993740), (10, 794992), (11, 722720), (16, 496870), (20, 397496), (22, 361360), (32, 248435), (40, 198748), (44, 180680), (55, 144544), (80, 99374), (88, 90340), (110, 72272), (160, 49687), (176, 45170), (220, 36136), (352, 22585), (440, 18068), (880, 9034), (1760, 4517)]