97781720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 227858400

約数和(自身を除く): 130076680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 328, 410, 436, 545, 547, 820, 872, 1090, 1094, 1640, 2180, 2188, 2735, 4360, 4376, 4469, 5470, 8938, 10940, 17876, 21880, 22345, 22427, 35752, 44690, 44854, 59623, 89380, 89708, 112135, 119246, 178760, 179416, 224270, 238492, 298115, 448540, 476984, 596230, 897080, 1192460, 2384920, 2444543, 4889086, 9778172, 12222715, 19556344, 24445430, 48890860, 97781720]

約数ペア:

[(1, 97781720), (2, 48890860), (4, 24445430), (5, 19556344), (8, 12222715), (10, 9778172), (20, 4889086), (40, 2444543), (41, 2384920), (82, 1192460), (109, 897080), (164, 596230), (205, 476984), (218, 448540), (328, 298115), (410, 238492), (436, 224270), (545, 179416), (547, 178760), (820, 119246), (872, 112135), (1090, 89708), (1094, 89380), (1640, 59623), (2180, 44854), (2188, 44690), (2735, 35752), (4360, 22427), (4376, 22345), (4469, 21880), (5470, 17876), (8938, 10940)]