85928440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165247}}^1$

素因数の和:165271

約数の個数: 32

約数和(自身を含む): 208212480

約数和(自身を除く): 122284040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 165247, 330494, 660988, 826235, 1321976, 1652470, 2148211, 3304940, 4296422, 6609880, 8592844, 10741055, 17185688, 21482110, 42964220, 85928440]

約数ペア:

[(1, 85928440), (2, 42964220), (4, 21482110), (5, 17185688), (8, 10741055), (10, 8592844), (13, 6609880), (20, 4296422), (26, 3304940), (40, 2148211), (52, 1652470), (65, 1321976), (104, 826235), (130, 660988), (260, 330494), (520, 165247)]