12960100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 30076200

約数和(自身を除く): 17116100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 109, 116, 145, 164, 205, 218, 290, 410, 436, 545, 580, 725, 820, 1025, 1090, 1189, 1450, 2050, 2180, 2378, 2725, 2900, 3161, 4100, 4469, 4756, 5450, 5945, 6322, 8938, 10900, 11890, 12644, 15805, 17876, 22345, 23780, 29725, 31610, 44690, 59450, 63220, 79025, 89380, 111725, 118900, 129601, 158050, 223450, 259202, 316100, 446900, 518404, 648005, 1296010, 2592020, 3240025, 6480050, 12960100]

約数ペア:

[(1, 12960100), (2, 6480050), (4, 3240025), (5, 2592020), (10, 1296010), (20, 648005), (25, 518404), (29, 446900), (41, 316100), (50, 259202), (58, 223450), (82, 158050), (100, 129601), (109, 118900), (116, 111725), (145, 89380), (164, 79025), (205, 63220), (218, 59450), (290, 44690), (410, 31610), (436, 29725), (545, 23780), (580, 22345), (725, 17876), (820, 15805), (1025, 12644), (1090, 11890), (1189, 10900), (1450, 8938), (2050, 6322), (2180, 5945), (2378, 5450), (2725, 4756), (2900, 4469), (3161, 4100)]