187422920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{45491}}^1$

素因数の和:45605

約数の個数: 32

約数和(自身を含む): 425805120

約数和(自身を除く): 238382200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 45491, 90982, 181964, 227455, 363928, 454910, 909820, 1819640, 4685573, 9371146, 18742292, 23427865, 37484584, 46855730, 93711460, 187422920]

約数ペア:

[(1, 187422920), (2, 93711460), (4, 46855730), (5, 37484584), (8, 23427865), (10, 18742292), (20, 9371146), (40, 4685573), (103, 1819640), (206, 909820), (412, 454910), (515, 363928), (824, 227455), (1030, 181964), (2060, 90982), (4120, 45491)]