40123850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61729}}^1$

素因数の和:61754

約数の個数: 24

約数和(自身を含む): 80372460

約数和(自身を除く): 40248610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61729, 123458, 308645, 617290, 802477, 1543225, 1604954, 3086450, 4012385, 8024770, 20061925, 40123850]

約数ペア:

[(1, 40123850), (2, 20061925), (5, 8024770), (10, 4012385), (13, 3086450), (25, 1604954), (26, 1543225), (50, 802477), (65, 617290), (130, 308645), (325, 123458), (650, 61729)]