80779888

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2179}}^1$

素因数の和:2525

約数の個数: 40

約数和(自身を含む): 179492480

約数和(自身を除く): 98712592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 662, 1324, 2179, 2317, 2648, 4358, 4634, 5296, 8716, 9268, 15253, 17432, 18536, 30506, 34864, 37072, 61012, 122024, 244048, 721249, 1442498, 2884996, 5048743, 5769992, 10097486, 11539984, 20194972, 40389944, 80779888]

約数ペア:

[(1, 80779888), (2, 40389944), (4, 20194972), (7, 11539984), (8, 10097486), (14, 5769992), (16, 5048743), (28, 2884996), (56, 1442498), (112, 721249), (331, 244048), (662, 122024), (1324, 61012), (2179, 37072), (2317, 34864), (2648, 30506), (4358, 18536), (4634, 17432), (5296, 15253), (8716, 9268)]