16121920

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 56

約数和(自身を含む): 38916864

約数和(自身を除く): 22794944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 607, 664, 830, 1214, 1328, 1660, 2428, 2656, 3035, 3320, 4856, 5312, 6070, 6640, 9712, 12140, 13280, 19424, 24280, 26560, 38848, 48560, 50381, 97120, 100762, 194240, 201524, 251905, 403048, 503810, 806096, 1007620, 1612192, 2015240, 3224384, 4030480, 8060960, 16121920]

約数ペア:

[(1, 16121920), (2, 8060960), (4, 4030480), (5, 3224384), (8, 2015240), (10, 1612192), (16, 1007620), (20, 806096), (32, 503810), (40, 403048), (64, 251905), (80, 201524), (83, 194240), (160, 100762), (166, 97120), (320, 50381), (332, 48560), (415, 38848), (607, 26560), (664, 24280), (830, 19424), (1214, 13280), (1328, 12140), (1660, 9712), (2428, 6640), (2656, 6070), (3035, 5312), (3320, 4856)]