3281720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6311}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 7953120

約数和(自身を除く): 4671400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 6311, 12622, 25244, 31555, 50488, 63110, 82043, 126220, 164086, 252440, 328172, 410215, 656344, 820430, 1640860, 3281720]

約数ペア:

[(1, 3281720), (2, 1640860), (4, 820430), (5, 656344), (8, 410215), (10, 328172), (13, 252440), (20, 164086), (26, 126220), (40, 82043), (52, 63110), (65, 50488), (104, 31555), (130, 25244), (260, 12622), (520, 6311)]