10220620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 22353408

約数和(自身を除く): 12132788

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 131, 166, 188, 235, 262, 332, 415, 470, 524, 655, 830, 940, 1310, 1660, 2620, 3901, 6157, 7802, 10873, 12314, 15604, 19505, 21746, 24628, 30785, 39010, 43492, 54365, 61570, 78020, 108730, 123140, 217460, 511031, 1022062, 2044124, 2555155, 5110310, 10220620]

約数ペア:

[(1, 10220620), (2, 5110310), (4, 2555155), (5, 2044124), (10, 1022062), (20, 511031), (47, 217460), (83, 123140), (94, 108730), (131, 78020), (166, 61570), (188, 54365), (235, 43492), (262, 39010), (332, 30785), (415, 24628), (470, 21746), (524, 19505), (655, 15604), (830, 12314), (940, 10873), (1310, 7802), (1660, 6157), (2620, 3901)]