51173720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98411}}^1$

素因数の和:98435

約数の個数: 32

約数和(自身を含む): 123999120

約数和(自身を除く): 72825400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98411, 196822, 393644, 492055, 787288, 984110, 1279343, 1968220, 2558686, 3936440, 5117372, 6396715, 10234744, 12793430, 25586860, 51173720]

約数ペア:

[(1, 51173720), (2, 25586860), (4, 12793430), (5, 10234744), (8, 6396715), (10, 5117372), (13, 3936440), (20, 2558686), (26, 1968220), (40, 1279343), (52, 984110), (65, 787288), (104, 492055), (130, 393644), (260, 196822), (520, 98411)]