2479840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 6395760

約数和(自身を除く): 3915920

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, 1409, 1760, 2818, 5636, 7045, 11272, 14090, 15499, 22544, 28180, 30998, 45088, 56360, 61996, 77495, 112720, 123992, 154990, 225440, 247984, 309980, 495968, 619960, 1239920, 2479840]

約数ペア:

[(1, 2479840), (2, 1239920), (4, 619960), (5, 495968), (8, 309980), (10, 247984), (11, 225440), (16, 154990), (20, 123992), (22, 112720), (32, 77495), (40, 61996), (44, 56360), (55, 45088), (80, 30998), (88, 28180), (110, 22544), (160, 15499), (176, 14090), (220, 11272), (352, 7045), (440, 5636), (880, 2818), (1409, 1760)]