13403480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 33359040

約数和(自身を除く): 19955560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 857, 920, 1564, 1714, 1955, 3128, 3428, 3910, 4285, 6856, 7820, 8570, 14569, 15640, 17140, 19711, 29138, 34280, 39422, 58276, 72845, 78844, 98555, 116552, 145690, 157688, 197110, 291380, 335087, 394220, 582760, 670174, 788440, 1340348, 1675435, 2680696, 3350870, 6701740, 13403480]

約数ペア:

[(1, 13403480), (2, 6701740), (4, 3350870), (5, 2680696), (8, 1675435), (10, 1340348), (17, 788440), (20, 670174), (23, 582760), (34, 394220), (40, 335087), (46, 291380), (68, 197110), (85, 157688), (92, 145690), (115, 116552), (136, 98555), (170, 78844), (184, 72845), (230, 58276), (340, 39422), (391, 34280), (460, 29138), (680, 19711), (782, 17140), (857, 15640), (920, 14569), (1564, 8570), (1714, 7820), (1955, 6856), (3128, 4285), (3428, 3910)]