66768860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196379}}^1$

素因数の和:196405

約数の個数: 24

約数和(自身を含む): 148463280

約数和(自身を除く): 81694420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 196379, 392758, 785516, 981895, 1963790, 3338443, 3927580, 6676886, 13353772, 16692215, 33384430, 66768860]

約数ペア:

[(1, 66768860), (2, 33384430), (4, 16692215), (5, 13353772), (10, 6676886), (17, 3927580), (20, 3338443), (34, 1963790), (68, 981895), (85, 785516), (170, 392758), (340, 196379)]