42028640

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{757}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 99710352

約数和(自身を除く): 57681712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 757, 1388, 1514, 1735, 2776, 3028, 3470, 3785, 5552, 6056, 6940, 7570, 11104, 12112, 13880, 15140, 24224, 27760, 30280, 55520, 60560, 121120, 262679, 525358, 1050716, 1313395, 2101432, 2626790, 4202864, 5253580, 8405728, 10507160, 21014320, 42028640]

約数ペア:

[(1, 42028640), (2, 21014320), (4, 10507160), (5, 8405728), (8, 5253580), (10, 4202864), (16, 2626790), (20, 2101432), (32, 1313395), (40, 1050716), (80, 525358), (160, 262679), (347, 121120), (694, 60560), (757, 55520), (1388, 30280), (1514, 27760), (1735, 24224), (2776, 15140), (3028, 13880), (3470, 12112), (3785, 11104), (5552, 7570), (6056, 6940)]