78404360

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{2027}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 176679360

約数和(自身を除く): 98275000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 2027, 3868, 4054, 4835, 7736, 8108, 9670, 10135, 16216, 19340, 20270, 38680, 40540, 81080, 1960109, 3920218, 7840436, 9800545, 15680872, 19601090, 39202180, 78404360]

約数ペア:

[(1, 78404360), (2, 39202180), (4, 19601090), (5, 15680872), (8, 9800545), (10, 7840436), (20, 3920218), (40, 1960109), (967, 81080), (1934, 40540), (2027, 38680), (3868, 20270), (4054, 19340), (4835, 16216), (7736, 10135), (8108, 9670)]