1854804920

素因数分解:

$2^3\times 5^1\times {\mathrm{3469}}^1\times {\mathrm{13367}}^1$

素因数の和:16847

約数の個数: 32

約数和(自身を含む): 4174826400

約数和(自身を除く): 2320021480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3469, 6938, 13367, 13876, 17345, 26734, 27752, 34690, 53468, 66835, 69380, 106936, 133670, 138760, 267340, 534680, 46370123, 92740246, 185480492, 231850615, 370960984, 463701230, 927402460, 1854804920]

約数ペア:

[(1, 1854804920), (2, 927402460), (4, 463701230), (5, 370960984), (8, 231850615), (10, 185480492), (20, 92740246), (40, 46370123), (3469, 534680), (6938, 267340), (13367, 138760), (13876, 133670), (17345, 106936), (26734, 69380), (27752, 66835), (34690, 53468)]