2690120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 6118200

約数和(自身を除く): 3428080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 617, 872, 1090, 1234, 2180, 2468, 3085, 4360, 4936, 6170, 12340, 24680, 67253, 134506, 269012, 336265, 538024, 672530, 1345060, 2690120]

約数ペア:

[(1, 2690120), (2, 1345060), (4, 672530), (5, 538024), (8, 336265), (10, 269012), (20, 134506), (40, 67253), (109, 24680), (218, 12340), (436, 6170), (545, 4936), (617, 4360), (872, 3085), (1090, 2468), (1234, 2180)]