12140920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 30572640

約数和(自身を除く): 18431720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 673, 820, 902, 1346, 1640, 1804, 2255, 2692, 3365, 3608, 4510, 5384, 6730, 7403, 9020, 13460, 14806, 18040, 26920, 27593, 29612, 37015, 55186, 59224, 74030, 110372, 137965, 148060, 220744, 275930, 296120, 303523, 551860, 607046, 1103720, 1214092, 1517615, 2428184, 3035230, 6070460, 12140920]

約数ペア:

[(1, 12140920), (2, 6070460), (4, 3035230), (5, 2428184), (8, 1517615), (10, 1214092), (11, 1103720), (20, 607046), (22, 551860), (40, 303523), (41, 296120), (44, 275930), (55, 220744), (82, 148060), (88, 137965), (110, 110372), (164, 74030), (205, 59224), (220, 55186), (328, 37015), (410, 29612), (440, 27593), (451, 26920), (673, 18040), (820, 14806), (902, 13460), (1346, 9020), (1640, 7403), (1804, 6730), (2255, 5384), (2692, 4510), (3365, 3608)]