51103100

素因数分解:

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

素因数の和:275

約数の個数: 72

約数和(自身を含む): 115492608

約数和(自身を除く): 64389508

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 83, 94, 100, 131, 166, 188, 235, 262, 332, 415, 470, 524, 655, 830, 940, 1175, 1310, 1660, 2075, 2350, 2620, 3275, 3901, 4150, 4700, 6157, 6550, 7802, 8300, 10873, 12314, 13100, 15604, 19505, 21746, 24628, 30785, 39010, 43492, 54365, 61570, 78020, 97525, 108730, 123140, 153925, 195050, 217460, 271825, 307850, 390100, 511031, 543650, 615700, 1022062, 1087300, 2044124, 2555155, 5110310, 10220620, 12775775, 25551550, 51103100]

約数ペア:

[(1, 51103100), (2, 25551550), (4, 12775775), (5, 10220620), (10, 5110310), (20, 2555155), (25, 2044124), (47, 1087300), (50, 1022062), (83, 615700), (94, 543650), (100, 511031), (131, 390100), (166, 307850), (188, 271825), (235, 217460), (262, 195050), (332, 153925), (415, 123140), (470, 108730), (524, 97525), (655, 78020), (830, 61570), (940, 54365), (1175, 43492), (1310, 39010), (1660, 30785), (2075, 24628), (2350, 21746), (2620, 19505), (3275, 15604), (3901, 13100), (4150, 12314), (4700, 10873), (6157, 8300), (6550, 7802)]