71472040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77687}}^1$

素因数の和:77721

約数の個数: 32

約数和(自身を含む): 167806080

約数和(自身を除く): 96334040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 77687, 155374, 310748, 388435, 621496, 776870, 1553740, 1786801, 3107480, 3573602, 7147204, 8934005, 14294408, 17868010, 35736020, 71472040]

約数ペア:

[(1, 71472040), (2, 35736020), (4, 17868010), (5, 14294408), (8, 8934005), (10, 7147204), (20, 3573602), (23, 3107480), (40, 1786801), (46, 1553740), (92, 776870), (115, 621496), (184, 388435), (230, 310748), (460, 155374), (920, 77687)]