81199550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 156150720

約数和(自身を除く): 74951170

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 218, 235, 317, 470, 545, 634, 1090, 1175, 1585, 2350, 2725, 3170, 5123, 5450, 7925, 10246, 14899, 15850, 25615, 29798, 34553, 51230, 69106, 74495, 128075, 148990, 172765, 256150, 345530, 372475, 744950, 863825, 1623991, 1727650, 3247982, 8119955, 16239910, 40599775, 81199550]

約数ペア:

[(1, 81199550), (2, 40599775), (5, 16239910), (10, 8119955), (25, 3247982), (47, 1727650), (50, 1623991), (94, 863825), (109, 744950), (218, 372475), (235, 345530), (317, 256150), (470, 172765), (545, 148990), (634, 128075), (1090, 74495), (1175, 69106), (1585, 51230), (2350, 34553), (2725, 29798), (3170, 25615), (5123, 15850), (5450, 14899), (7925, 10246)]