72003040

素因数分解:

$2^5\times 5^1\times {\mathrm{450019}}^1$

素因数の和:450034

約数の個数: 24

約数和(自身を含む): 170107560

約数和(自身を除く): 98104520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 450019, 900038, 1800076, 2250095, 3600152, 4500190, 7200304, 9000380, 14400608, 18000760, 36001520, 72003040]

約数ペア:

[(1, 72003040), (2, 36001520), (4, 18000760), (5, 14400608), (8, 9000380), (10, 7200304), (16, 4500190), (20, 3600152), (32, 2250095), (40, 1800076), (80, 900038), (160, 450019)]