8451560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16253}}^1$

素因数の和:16277

約数の個数: 32

約数和(自身を含む): 20480040

約数和(自身を除く): 12028480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16253, 32506, 65012, 81265, 130024, 162530, 211289, 325060, 422578, 650120, 845156, 1056445, 1690312, 2112890, 4225780, 8451560]

約数ペア:

[(1, 8451560), (2, 4225780), (4, 2112890), (5, 1690312), (8, 1056445), (10, 845156), (13, 650120), (20, 422578), (26, 325060), (40, 211289), (52, 162530), (65, 130024), (104, 81265), (130, 65012), (260, 32506), (520, 16253)]