207279968240

素因数分解:

$2^4\times 5^1\times {\mathrm{2590999603}}^1$

素因数の和:2590999616

約数の個数: 20

約数和(自身を含む): 481925926344

約数和(自身を除く): 274645958104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2590999603, 5181999206, 10363998412, 12954998015, 20727996824, 25909996030, 41455993648, 51819992060, 103639984120, 207279968240]

約数ペア:

[(1, 207279968240), (2, 103639984120), (4, 51819992060), (5, 41455993648), (8, 25909996030), (10, 20727996824), (16, 12954998015), (20, 10363998412), (40, 5181999206), (80, 2590999603)]