15693457960

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{393517}}^1$

素因数の和:394525

約数の個数: 32

約数和(自身を含む): 35345786760

約数和(自身を除く): 19652328800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 39880, 393517, 787034, 1574068, 1967585, 3148136, 3935170, 7870340, 15740680, 392336449, 784672898, 1569345796, 1961682245, 3138691592, 3923364490, 7846728980, 15693457960]

約数ペア:

[(1, 15693457960), (2, 7846728980), (4, 3923364490), (5, 3138691592), (8, 1961682245), (10, 1569345796), (20, 784672898), (40, 392336449), (997, 15740680), (1994, 7870340), (3988, 3935170), (4985, 3148136), (7976, 1967585), (9970, 1574068), (19940, 787034), (39880, 393517)]