200007980

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{31547}}^1$

素因数の和:31873

約数の個数: 24

約数和(自身を含む): 421355088

約数和(自身を除く): 221347108

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 31547, 63094, 126188, 157735, 315470, 630940, 10000399, 20000798, 40001596, 50001995, 100003990, 200007980]

約数ペア:

[(1, 200007980), (2, 100003990), (4, 50001995), (5, 40001596), (10, 20000798), (20, 10000399), (317, 630940), (634, 315470), (1268, 157735), (1585, 126188), (3170, 63094), (6340, 31547)]