2100080909105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{99527}}^1\times {\mathrm{136133}}^1$

素因数の和:235696

約数の個数: 16

約数和(自身を含む): 2601435792384

約数和(自身を除く): 501354883279

約数列:

[1, 5, 31, 155, 99527, 136133, 497635, 680665, 3085337, 4220123, 15426685, 21100615, 13548909091, 67744545455, 420016181821, 2100080909105]

約数ペア:

[(1, 2100080909105), (5, 420016181821), (31, 67744545455), (155, 13548909091), (99527, 21100615), (136133, 15426685), (497635, 4220123), (680665, 3085337)]