168124240

素因数分解:

$2^4\times 5^1\times {\mathrm{2101553}}^1$

素因数の和:2101566

約数の個数: 20

約数和(自身を含む): 390889044

約数和(自身を除く): 222764804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2101553, 4203106, 8406212, 10507765, 16812424, 21015530, 33624848, 42031060, 84062120, 168124240]

約数ペア:

[(1, 168124240), (2, 84062120), (4, 42031060), (5, 33624848), (8, 21015530), (10, 16812424), (16, 10507765), (20, 8406212), (40, 4203106), (80, 2101553)]