25648600520

素因数分解:

$2^3\times 5^1\times {\mathrm{22259}}^1\times {\mathrm{28807}}^1$

素因数の和:51077

約数の個数: 32

約数和(自身を含む): 57713947200

約数和(自身を除く): 32065346680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22259, 28807, 44518, 57614, 89036, 111295, 115228, 144035, 178072, 222590, 230456, 288070, 445180, 576140, 890360, 1152280, 641215013, 1282430026, 2564860052, 3206075065, 5129720104, 6412150130, 12824300260, 25648600520]

約数ペア:

[(1, 25648600520), (2, 12824300260), (4, 6412150130), (5, 5129720104), (8, 3206075065), (10, 2564860052), (20, 1282430026), (40, 641215013), (22259, 1152280), (28807, 890360), (44518, 576140), (57614, 445180), (89036, 288070), (111295, 230456), (115228, 222590), (144035, 178072)]