9809840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 23302080

約数和(自身を除く): 13492240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2609, 3760, 5218, 10436, 13045, 20872, 26090, 41744, 52180, 104360, 122623, 208720, 245246, 490492, 613115, 980984, 1226230, 1961968, 2452460, 4904920, 9809840]

約数ペア:

[(1, 9809840), (2, 4904920), (4, 2452460), (5, 1961968), (8, 1226230), (10, 980984), (16, 613115), (20, 490492), (40, 245246), (47, 208720), (80, 122623), (94, 104360), (188, 52180), (235, 41744), (376, 26090), (470, 20872), (752, 13045), (940, 10436), (1880, 5218), (2609, 3760)]