156623680

素因数分解:

$2^6\times 5^1\times {\mathrm{489449}}^1$

素因数の和:489466

約数の個数: 28

約数和(自身を含む): 372960900

約数和(自身を除く): 216337220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489449, 978898, 1957796, 2447245, 3915592, 4894490, 7831184, 9788980, 15662368, 19577960, 31324736, 39155920, 78311840, 156623680]

約数ペア:

[(1, 156623680), (2, 78311840), (4, 39155920), (5, 31324736), (8, 19577960), (10, 15662368), (16, 9788980), (20, 7831184), (32, 4894490), (40, 3915592), (64, 2447245), (80, 1957796), (160, 978898), (320, 489449)]