158341640

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{4027}}^1$

素因数の和:5021

約数の個数: 32

約数和(自身を含む): 356719680

約数和(自身を除く): 198378040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4027, 4915, 7864, 8054, 9830, 16108, 19660, 20135, 32216, 39320, 40270, 80540, 161080, 3958541, 7917082, 15834164, 19792705, 31668328, 39585410, 79170820, 158341640]

約数ペア:

[(1, 158341640), (2, 79170820), (4, 39585410), (5, 31668328), (8, 19792705), (10, 15834164), (20, 7917082), (40, 3958541), (983, 161080), (1966, 80540), (3932, 40270), (4027, 39320), (4915, 32216), (7864, 20135), (8054, 19660), (9830, 16108)]