72403040

素因数分解:

$2^5\times 5^1\times {\mathrm{452519}}^1$

素因数の和:452534

約数の個数: 24

約数和(自身を含む): 171052560

約数和(自身を除く): 98649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 452519, 905038, 1810076, 2262595, 3620152, 4525190, 7240304, 9050380, 14480608, 18100760, 36201520, 72403040]

約数ペア:

[(1, 72403040), (2, 36201520), (4, 18100760), (5, 14480608), (8, 9050380), (10, 7240304), (16, 4525190), (20, 3620152), (32, 2262595), (40, 1810076), (80, 905038), (160, 452519)]