30929840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3547}}^1$

素因数の和:3669

約数の個数: 40

約数和(自身を含む): 72592080

約数和(自身を除く): 41662240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3547, 4360, 7094, 8720, 14188, 17735, 28376, 35470, 56752, 70940, 141880, 283760, 386623, 773246, 1546492, 1933115, 3092984, 3866230, 6185968, 7732460, 15464920, 30929840]

約数ペア:

[(1, 30929840), (2, 15464920), (4, 7732460), (5, 6185968), (8, 3866230), (10, 3092984), (16, 1933115), (20, 1546492), (40, 773246), (80, 386623), (109, 283760), (218, 141880), (436, 70940), (545, 56752), (872, 35470), (1090, 28376), (1744, 17735), (2180, 14188), (3547, 8720), (4360, 7094)]