10214920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{971}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 23094720

約数和(自身を除く): 12879800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 971, 1052, 1315, 1942, 2104, 2630, 3884, 4855, 5260, 7768, 9710, 10520, 19420, 38840, 255373, 510746, 1021492, 1276865, 2042984, 2553730, 5107460, 10214920]

約数ペア:

[(1, 10214920), (2, 5107460), (4, 2553730), (5, 2042984), (8, 1276865), (10, 1021492), (20, 510746), (40, 255373), (263, 38840), (526, 19420), (971, 10520), (1052, 9710), (1315, 7768), (1942, 5260), (2104, 4855), (2630, 3884)]