202160120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 463320000

約数和(自身を除く): 261159880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 199, 218, 233, 398, 436, 466, 545, 796, 872, 932, 995, 1090, 1165, 1592, 1864, 1990, 2180, 2330, 3980, 4360, 4660, 7960, 9320, 21691, 25397, 43382, 46367, 50794, 86764, 92734, 101588, 108455, 126985, 173528, 185468, 203176, 216910, 231835, 253970, 370936, 433820, 463670, 507940, 867640, 927340, 1015880, 1854680, 5054003, 10108006, 20216012, 25270015, 40432024, 50540030, 101080060, 202160120]

約数ペア:

[(1, 202160120), (2, 101080060), (4, 50540030), (5, 40432024), (8, 25270015), (10, 20216012), (20, 10108006), (40, 5054003), (109, 1854680), (199, 1015880), (218, 927340), (233, 867640), (398, 507940), (436, 463670), (466, 433820), (545, 370936), (796, 253970), (872, 231835), (932, 216910), (995, 203176), (1090, 185468), (1165, 173528), (1592, 126985), (1864, 108455), (1990, 101588), (2180, 92734), (2330, 86764), (3980, 50794), (4360, 46367), (4660, 43382), (7960, 25397), (9320, 21691)]