72657440

素因数分解:

$2^5\times 5^1\times {\mathrm{454109}}^1$

素因数の和:454124

約数の個数: 24

約数和(自身を含む): 171653580

約数和(自身を除く): 98996140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 454109, 908218, 1816436, 2270545, 3632872, 4541090, 7265744, 9082180, 14531488, 18164360, 36328720, 72657440]

約数ペア:

[(1, 72657440), (2, 36328720), (4, 18164360), (5, 14531488), (8, 9082180), (10, 7265744), (16, 4541090), (20, 3632872), (32, 2270545), (40, 1816436), (80, 908218), (160, 454109)]