3942760

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 8929800

約数和(自身を除く): 4987040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 409, 482, 818, 964, 1205, 1636, 1928, 2045, 2410, 3272, 4090, 4820, 8180, 9640, 16360, 98569, 197138, 394276, 492845, 788552, 985690, 1971380, 3942760]

約数ペア:

[(1, 3942760), (2, 1971380), (4, 985690), (5, 788552), (8, 492845), (10, 394276), (20, 197138), (40, 98569), (241, 16360), (409, 9640), (482, 8180), (818, 4820), (964, 4090), (1205, 3272), (1636, 2410), (1928, 2045)]