520017040

素因数分解:

$2^4\times 5^1\times {\mathrm{929}}^1\times {\mathrm{6997}}^1$

素因数の和:7939

約数の個数: 40

約数和(自身を含む): 1210514040

約数和(自身を除く): 690497000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 929, 1858, 3716, 4645, 6997, 7432, 9290, 13994, 14864, 18580, 27988, 34985, 37160, 55976, 69970, 74320, 111952, 139940, 279880, 559760, 6500213, 13000426, 26000852, 32501065, 52001704, 65002130, 104003408, 130004260, 260008520, 520017040]

約数ペア:

[(1, 520017040), (2, 260008520), (4, 130004260), (5, 104003408), (8, 65002130), (10, 52001704), (16, 32501065), (20, 26000852), (40, 13000426), (80, 6500213), (929, 559760), (1858, 279880), (3716, 139940), (4645, 111952), (6997, 74320), (7432, 69970), (9290, 55976), (13994, 37160), (14864, 34985), (18580, 27988)]