156814960

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2417}}^1$

素因数の和:3241

約数の個数: 40

約数和(自身を含む): 365195376

約数和(自身を除く): 208380416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 2417, 3244, 4055, 4834, 6488, 8110, 9668, 12085, 12976, 16220, 19336, 24170, 32440, 38672, 48340, 64880, 96680, 193360, 1960187, 3920374, 7840748, 9800935, 15681496, 19601870, 31362992, 39203740, 78407480, 156814960]

約数ペア:

[(1, 156814960), (2, 78407480), (4, 39203740), (5, 31362992), (8, 19601870), (10, 15681496), (16, 9800935), (20, 7840748), (40, 3920374), (80, 1960187), (811, 193360), (1622, 96680), (2417, 64880), (3244, 48340), (4055, 38672), (4834, 32440), (6488, 24170), (8110, 19336), (9668, 16220), (12085, 12976)]