8121100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6274

約数の個数: 36

約数和(自身を含む): 18981424

約数和(自身を除く): 10860324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6247, 12494, 24988, 31235, 62470, 81211, 124940, 156175, 162422, 312350, 324844, 406055, 624700, 812110, 1624220, 2030275, 4060550, 8121100]

約数ペア:

[(1, 8121100), (2, 4060550), (4, 2030275), (5, 1624220), (10, 812110), (13, 624700), (20, 406055), (25, 324844), (26, 312350), (50, 162422), (52, 156175), (65, 124940), (100, 81211), (130, 62470), (260, 31235), (325, 24988), (650, 12494), (1300, 6247)]