51614440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5399}}^1$

素因数の和:5649

約数の個数: 32

約数和(自身を含む): 116640000

約数和(自身を除く): 65025560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 5399, 9560, 10798, 21596, 26995, 43192, 53990, 107980, 215960, 1290361, 2580722, 5161444, 6451805, 10322888, 12903610, 25807220, 51614440]

約数ペア:

[(1, 51614440), (2, 25807220), (4, 12903610), (5, 10322888), (8, 6451805), (10, 5161444), (20, 2580722), (40, 1290361), (239, 215960), (478, 107980), (956, 53990), (1195, 43192), (1912, 26995), (2390, 21596), (4780, 10798), (5399, 9560)]