131204260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12689}}^1$

素因数の和:12756

約数の個数: 48

約数和(自身を含む): 306996480

約数和(自身を除く): 175792220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12689, 25378, 50756, 63445, 126890, 139579, 253780, 279158, 558316, 596383, 697895, 1192766, 1395790, 2385532, 2791580, 2981915, 5963830, 6560213, 11927660, 13120426, 26240852, 32801065, 65602130, 131204260]

約数ペア:

[(1, 131204260), (2, 65602130), (4, 32801065), (5, 26240852), (10, 13120426), (11, 11927660), (20, 6560213), (22, 5963830), (44, 2981915), (47, 2791580), (55, 2385532), (94, 1395790), (110, 1192766), (188, 697895), (220, 596383), (235, 558316), (470, 279158), (517, 253780), (940, 139579), (1034, 126890), (2068, 63445), (2585, 50756), (5170, 25378), (10340, 12689)]