16877881420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1\times {\mathrm{10433}}^1$

素因数の和:12210

約数の個数: 48

約数和(自身を含む): 36222173568

約数和(自身を除く): 19344292148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1721, 3442, 6884, 8605, 10433, 17210, 20866, 34420, 41732, 52165, 80887, 104330, 161774, 208660, 323548, 404435, 490351, 808870, 980702, 1617740, 1961404, 2451755, 4903510, 9807020, 17955193, 35910386, 71820772, 89775965, 179551930, 359103860, 843894071, 1687788142, 3375576284, 4219470355, 8438940710, 16877881420]

約数ペア:

[(1, 16877881420), (2, 8438940710), (4, 4219470355), (5, 3375576284), (10, 1687788142), (20, 843894071), (47, 359103860), (94, 179551930), (188, 89775965), (235, 71820772), (470, 35910386), (940, 17955193), (1721, 9807020), (3442, 4903510), (6884, 2451755), (8605, 1961404), (10433, 1617740), (17210, 980702), (20866, 808870), (34420, 490351), (41732, 404435), (52165, 323548), (80887, 208660), (104330, 161774)]