71323220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18671}}^1$

素因数の和:18871

約数の個数: 24

約数和(自身を含む): 150571008

約数和(自身を除く): 79247788

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 18671, 37342, 74684, 93355, 186710, 373420, 3566161, 7132322, 14264644, 17830805, 35661610, 71323220]

約数ペア:

[(1, 71323220), (2, 35661610), (4, 17830805), (5, 14264644), (10, 7132322), (20, 3566161), (191, 373420), (382, 186710), (764, 93355), (955, 74684), (1910, 37342), (3820, 18671)]