20152400

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 60

約数和(自身を含む): 49080192

約数和(自身を除く): 28927792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 200, 332, 400, 415, 607, 664, 830, 1214, 1328, 1660, 2075, 2428, 3035, 3320, 4150, 4856, 6070, 6640, 8300, 9712, 12140, 15175, 16600, 24280, 30350, 33200, 48560, 50381, 60700, 100762, 121400, 201524, 242800, 251905, 403048, 503810, 806096, 1007620, 1259525, 2015240, 2519050, 4030480, 5038100, 10076200, 20152400]

約数ペア:

[(1, 20152400), (2, 10076200), (4, 5038100), (5, 4030480), (8, 2519050), (10, 2015240), (16, 1259525), (20, 1007620), (25, 806096), (40, 503810), (50, 403048), (80, 251905), (83, 242800), (100, 201524), (166, 121400), (200, 100762), (332, 60700), (400, 50381), (415, 48560), (607, 33200), (664, 30350), (830, 24280), (1214, 16600), (1328, 15175), (1660, 12140), (2075, 9712), (2428, 8300), (3035, 6640), (3320, 6070), (4150, 4856)]