51196730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 99792000

約数和(自身を除く): 48595270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1979, 1990, 2587, 3958, 5174, 9895, 12935, 19790, 25727, 25870, 51454, 128635, 257270, 393821, 787642, 1969105, 3938210, 5119673, 10239346, 25598365, 51196730]

約数ペア:

[(1, 51196730), (2, 25598365), (5, 10239346), (10, 5119673), (13, 3938210), (26, 1969105), (65, 787642), (130, 393821), (199, 257270), (398, 128635), (995, 51454), (1979, 25870), (1990, 25727), (2587, 19790), (3958, 12935), (5174, 9895)]