2146960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 5106816

約数和(自身を除く): 2959856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 571, 752, 940, 1142, 1880, 2284, 2855, 3760, 4568, 5710, 9136, 11420, 22840, 26837, 45680, 53674, 107348, 134185, 214696, 268370, 429392, 536740, 1073480, 2146960]

約数ペア:

[(1, 2146960), (2, 1073480), (4, 536740), (5, 429392), (8, 268370), (10, 214696), (16, 134185), (20, 107348), (40, 53674), (47, 45680), (80, 26837), (94, 22840), (188, 11420), (235, 9136), (376, 5710), (470, 4568), (571, 3760), (752, 2855), (940, 2284), (1142, 1880)]