51613720

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1619}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 116348400

約数和(自身を除く): 64734680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 1619, 3188, 3238, 3985, 6376, 6476, 7970, 8095, 12952, 15940, 16190, 31880, 32380, 64760, 1290343, 2580686, 5161372, 6451715, 10322744, 12903430, 25806860, 51613720]

約数ペア:

[(1, 51613720), (2, 25806860), (4, 12903430), (5, 10322744), (8, 6451715), (10, 5161372), (20, 2580686), (40, 1290343), (797, 64760), (1594, 32380), (1619, 31880), (3188, 16190), (3238, 15940), (3985, 12952), (6376, 8095), (6476, 7970)]