39891970

素因数分解:

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

素因数の和:546

約数の個数: 32

約数和(自身を含む): 73322496

約数和(自身を除く): 33430526

約数列:

[1, 2, 5, 10, 101, 127, 202, 254, 311, 505, 622, 635, 1010, 1270, 1555, 3110, 12827, 25654, 31411, 39497, 62822, 64135, 78994, 128270, 157055, 197485, 314110, 394970, 3989197, 7978394, 19945985, 39891970]

約数ペア:

[(1, 39891970), (2, 19945985), (5, 7978394), (10, 3989197), (101, 394970), (127, 314110), (202, 197485), (254, 157055), (311, 128270), (505, 78994), (622, 64135), (635, 62822), (1010, 39497), (1270, 31411), (1555, 25654), (3110, 12827)]