2777840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2697

約数の個数: 40

約数和(自身を含む): 6957888

約数和(自身を除く): 4180048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2671, 5342, 10684, 13355, 21368, 26710, 34723, 42736, 53420, 69446, 106840, 138892, 173615, 213680, 277784, 347230, 555568, 694460, 1388920, 2777840]

約数ペア:

[(1, 2777840), (2, 1388920), (4, 694460), (5, 555568), (8, 347230), (10, 277784), (13, 213680), (16, 173615), (20, 138892), (26, 106840), (40, 69446), (52, 53420), (65, 42736), (80, 34723), (104, 26710), (130, 21368), (208, 13355), (260, 10684), (520, 5342), (1040, 2671)]