71119480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5717}}^1$

素因数の和:6039

約数の個数: 32

約数和(自身を含む): 160561440

約数和(自身を除く): 89441960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5717, 6220, 11434, 12440, 22868, 28585, 45736, 57170, 114340, 228680, 1777987, 3555974, 7111948, 8889935, 14223896, 17779870, 35559740, 71119480]

約数ペア:

[(1, 71119480), (2, 35559740), (4, 17779870), (5, 14223896), (8, 8889935), (10, 7111948), (20, 3555974), (40, 1777987), (311, 228680), (622, 114340), (1244, 57170), (1555, 45736), (2488, 28585), (3110, 22868), (5717, 12440), (6220, 11434)]