1165520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 2872584

約数和(自身を除く): 1707064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 857, 1360, 1714, 3428, 4285, 6856, 8570, 13712, 14569, 17140, 29138, 34280, 58276, 68560, 72845, 116552, 145690, 233104, 291380, 582760, 1165520]

約数ペア:

[(1, 1165520), (2, 582760), (4, 291380), (5, 233104), (8, 145690), (10, 116552), (16, 72845), (17, 68560), (20, 58276), (34, 34280), (40, 29138), (68, 17140), (80, 14569), (85, 13712), (136, 8570), (170, 6856), (272, 4285), (340, 3428), (680, 1714), (857, 1360)]