72134740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{212161}}^1$

素因数の和:212187

約数の個数: 24

約数和(自身を含む): 160394472

約数和(自身を除く): 88259732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 212161, 424322, 848644, 1060805, 2121610, 3606737, 4243220, 7213474, 14426948, 18033685, 36067370, 72134740]

約数ペア:

[(1, 72134740), (2, 36067370), (4, 18033685), (5, 14426948), (10, 7213474), (17, 4243220), (20, 3606737), (34, 2121610), (68, 1060805), (85, 848644), (170, 424322), (340, 212161)]