487789640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{938057}}^1$

素因数の和:938081

約数の個数: 32

約数和(自身を含む): 1181953080

約数和(自身を除く): 694163440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 938057, 1876114, 3752228, 4690285, 7504456, 9380570, 12194741, 18761140, 24389482, 37522280, 48778964, 60973705, 97557928, 121947410, 243894820, 487789640]

約数ペア:

[(1, 487789640), (2, 243894820), (4, 121947410), (5, 97557928), (8, 60973705), (10, 48778964), (13, 37522280), (20, 24389482), (26, 18761140), (40, 12194741), (52, 9380570), (65, 7504456), (104, 4690285), (130, 3752228), (260, 1876114), (520, 938057)]