79783940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 171085824

約数和(自身を除く): 91301884

約数列:

[1, 2, 4, 5, 10, 20, 101, 127, 202, 254, 311, 404, 505, 508, 622, 635, 1010, 1244, 1270, 1555, 2020, 2540, 3110, 6220, 12827, 25654, 31411, 39497, 51308, 62822, 64135, 78994, 125644, 128270, 157055, 157988, 197485, 256540, 314110, 394970, 628220, 789940, 3989197, 7978394, 15956788, 19945985, 39891970, 79783940]

約数ペア:

[(1, 79783940), (2, 39891970), (4, 19945985), (5, 15956788), (10, 7978394), (20, 3989197), (101, 789940), (127, 628220), (202, 394970), (254, 314110), (311, 256540), (404, 197485), (505, 157988), (508, 157055), (622, 128270), (635, 125644), (1010, 78994), (1244, 64135), (1270, 62822), (1555, 51308), (2020, 39497), (2540, 31411), (3110, 25654), (6220, 12827)]