12581240

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 33275880

約数和(自身を除く): 20694640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 245, 262, 280, 343, 392, 490, 524, 655, 686, 917, 980, 1048, 1310, 1372, 1715, 1834, 1960, 2401, 2620, 2744, 3430, 3668, 4585, 4802, 5240, 6419, 6860, 7336, 9170, 9604, 12005, 12838, 13720, 18340, 19208, 24010, 25676, 32095, 36680, 44933, 48020, 51352, 64190, 89866, 96040, 128380, 179732, 224665, 256760, 314531, 359464, 449330, 629062, 898660, 1258124, 1572655, 1797320, 2516248, 3145310, 6290620, 12581240]

約数ペア:

[(1, 12581240), (2, 6290620), (4, 3145310), (5, 2516248), (7, 1797320), (8, 1572655), (10, 1258124), (14, 898660), (20, 629062), (28, 449330), (35, 359464), (40, 314531), (49, 256760), (56, 224665), (70, 179732), (98, 128380), (131, 96040), (140, 89866), (196, 64190), (245, 51352), (262, 48020), (280, 44933), (343, 36680), (392, 32095), (490, 25676), (524, 24010), (655, 19208), (686, 18340), (917, 13720), (980, 12838), (1048, 12005), (1310, 9604), (1372, 9170), (1715, 7336), (1834, 6860), (1960, 6419), (2401, 5240), (2620, 4802), (2744, 4585), (3430, 3668)]