40187408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{81023}}^1$

素因数の和:81062

約数の個数: 20

約数和(自身を含む): 80375808

約数和(自身を除く): 40188400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 81023, 162046, 324092, 648184, 1296368, 2511713, 5023426, 10046852, 20093704, 40187408]

約数ペア:

[(1, 40187408), (2, 20093704), (4, 10046852), (8, 5023426), (16, 2511713), (31, 1296368), (62, 648184), (124, 324092), (248, 162046), (496, 81023)]