72069040

素因数分解:

$2^4\times 5^1\times {\mathrm{900863}}^1$

素因数の和:900876

約数の個数: 20

約数和(自身を含む): 167560704

約数和(自身を除く): 95491664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900863, 1801726, 3603452, 4504315, 7206904, 9008630, 14413808, 18017260, 36034520, 72069040]

約数ペア:

[(1, 72069040), (2, 36034520), (4, 18017260), (5, 14413808), (8, 9008630), (10, 7206904), (16, 4504315), (20, 3603452), (40, 1801726), (80, 900863)]