81728480

素因数分解:

$2^5\times 5^1\times {\mathrm{510803}}^1$

素因数の和:510818

約数の個数: 24

約数和(自身を含む): 193083912

約数和(自身を除く): 111355432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 510803, 1021606, 2043212, 2554015, 4086424, 5108030, 8172848, 10216060, 16345696, 20432120, 40864240, 81728480]

約数ペア:

[(1, 81728480), (2, 40864240), (4, 20432120), (5, 16345696), (8, 10216060), (10, 8172848), (16, 5108030), (20, 4086424), (32, 2554015), (40, 2043212), (80, 1021606), (160, 510803)]