811399680020

素因数分解:

$2^2\times 5^1\times {\mathrm{41411}}^1\times {\mathrm{979691}}^1$

素因数の和:1021111

約数の個数: 24

約数和(自身を含む): 1703982214368

約数和(自身を除く): 892582534348

約数列:

[1, 2, 4, 5, 10, 20, 41411, 82822, 165644, 207055, 414110, 828220, 979691, 1959382, 3918764, 4898455, 9796910, 19593820, 40569984001, 81139968002, 162279936004, 202849920005, 405699840010, 811399680020]

約数ペア:

[(1, 811399680020), (2, 405699840010), (4, 202849920005), (5, 162279936004), (10, 81139968002), (20, 40569984001), (41411, 19593820), (82822, 9796910), (165644, 4898455), (207055, 3918764), (414110, 1959382), (828220, 979691)]