77912840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{41443}}^1$

素因数の和:41501

約数の個数: 32

約数和(自身を含む): 179038080

約数和(自身を除く): 101125240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 41443, 82886, 165772, 207215, 331544, 414430, 828860, 1657720, 1947821, 3895642, 7791284, 9739105, 15582568, 19478210, 38956420, 77912840]

約数ペア:

[(1, 77912840), (2, 38956420), (4, 19478210), (5, 15582568), (8, 9739105), (10, 7791284), (20, 3895642), (40, 1947821), (47, 1657720), (94, 828860), (188, 414430), (235, 331544), (376, 207215), (470, 165772), (940, 82886), (1880, 41443)]