19671200

素因数分解:

$2^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 72

約数和(自身を含む): 48871872

約数和(自身を除く): 29200672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 67, 80, 100, 134, 160, 200, 268, 335, 367, 400, 536, 670, 734, 800, 1072, 1340, 1468, 1675, 1835, 2144, 2680, 2936, 3350, 3670, 5360, 5872, 6700, 7340, 9175, 10720, 11744, 13400, 14680, 18350, 24589, 26800, 29360, 36700, 49178, 53600, 58720, 73400, 98356, 122945, 146800, 196712, 245890, 293600, 393424, 491780, 614725, 786848, 983560, 1229450, 1967120, 2458900, 3934240, 4917800, 9835600, 19671200]

約数ペア:

[(1, 19671200), (2, 9835600), (4, 4917800), (5, 3934240), (8, 2458900), (10, 1967120), (16, 1229450), (20, 983560), (25, 786848), (32, 614725), (40, 491780), (50, 393424), (67, 293600), (80, 245890), (100, 196712), (134, 146800), (160, 122945), (200, 98356), (268, 73400), (335, 58720), (367, 53600), (400, 49178), (536, 36700), (670, 29360), (734, 26800), (800, 24589), (1072, 18350), (1340, 14680), (1468, 13400), (1675, 11744), (1835, 10720), (2144, 9175), (2680, 7340), (2936, 6700), (3350, 5872), (3670, 5360)]