72225880

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{3301}}^1$

素因数の和:3859

約数の個数: 32

約数和(自身を含む): 162854640

約数和(自身を除く): 90628760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 3301, 4376, 5470, 6602, 10940, 13204, 16505, 21880, 26408, 33010, 66020, 132040, 1805647, 3611294, 7222588, 9028235, 14445176, 18056470, 36112940, 72225880]

約数ペア:

[(1, 72225880), (2, 36112940), (4, 18056470), (5, 14445176), (8, 9028235), (10, 7222588), (20, 3611294), (40, 1805647), (547, 132040), (1094, 66020), (2188, 33010), (2735, 26408), (3301, 21880), (4376, 16505), (5470, 13204), (6602, 10940)]