72844040

素因数分解:

$2^3\times 5^1\times {\mathrm{1821101}}^1$

素因数の和:1821112

約数の個数: 16

約数和(自身を含む): 163899180

約数和(自身を除く): 91055140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821101, 3642202, 7284404, 9105505, 14568808, 18211010, 36422020, 72844040]

約数ペア:

[(1, 72844040), (2, 36422020), (4, 18211010), (5, 14568808), (8, 9105505), (10, 7284404), (20, 3642202), (40, 1821101)]