201042160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228457}}^1$

素因数の和:228481

約数の個数: 40

約数和(自身を含む): 509918256

約数和(自身を除く): 308876096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228457, 456914, 913828, 1142285, 1827656, 2284570, 2513027, 3655312, 4569140, 5026054, 9138280, 10052108, 12565135, 18276560, 20104216, 25130270, 40208432, 50260540, 100521080, 201042160]

約数ペア:

[(1, 201042160), (2, 100521080), (4, 50260540), (5, 40208432), (8, 25130270), (10, 20104216), (11, 18276560), (16, 12565135), (20, 10052108), (22, 9138280), (40, 5026054), (44, 4569140), (55, 3655312), (80, 2513027), (88, 2284570), (110, 1827656), (176, 1142285), (220, 913828), (440, 456914), (880, 228457)]