51012520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98101}}^1$

素因数の和:98125

約数の個数: 32

約数和(自身を含む): 123608520

約数和(自身を除く): 72596000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98101, 196202, 392404, 490505, 784808, 981010, 1275313, 1962020, 2550626, 3924040, 5101252, 6376565, 10202504, 12753130, 25506260, 51012520]

約数ペア:

[(1, 51012520), (2, 25506260), (4, 12753130), (5, 10202504), (8, 6376565), (10, 5101252), (13, 3924040), (20, 2550626), (26, 1962020), (40, 1275313), (52, 981010), (65, 784808), (104, 490505), (130, 392404), (260, 196202), (520, 98101)]