16903120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16253}}^1$

素因数の和:16279

約数の個数: 40

約数和(自身を含む): 42325416

約数和(自身を除く): 25422296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16253, 32506, 65012, 81265, 130024, 162530, 211289, 260048, 325060, 422578, 650120, 845156, 1056445, 1300240, 1690312, 2112890, 3380624, 4225780, 8451560, 16903120]

約数ペア:

[(1, 16903120), (2, 8451560), (4, 4225780), (5, 3380624), (8, 2112890), (10, 1690312), (13, 1300240), (16, 1056445), (20, 845156), (26, 650120), (40, 422578), (52, 325060), (65, 260048), (80, 211289), (104, 162530), (130, 130024), (208, 81265), (260, 65012), (520, 32506), (1040, 16253)]