90583120

素因数分解:

$2^4\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1109}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 211002120

約数和(自身を除く): 120419000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1021, 1109, 2042, 2218, 4084, 4436, 5105, 5545, 8168, 8872, 10210, 11090, 16336, 17744, 20420, 22180, 40840, 44360, 81680, 88720, 1132289, 2264578, 4529156, 5661445, 9058312, 11322890, 18116624, 22645780, 45291560, 90583120]

約数ペア:

[(1, 90583120), (2, 45291560), (4, 22645780), (5, 18116624), (8, 11322890), (10, 9058312), (16, 5661445), (20, 4529156), (40, 2264578), (80, 1132289), (1021, 88720), (1109, 81680), (2042, 44360), (2218, 40840), (4084, 22180), (4436, 20420), (5105, 17744), (5545, 16336), (8168, 11090), (8872, 10210)]