38657440

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{787}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 91742112

約数和(自身を除く): 53084672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 614, 787, 1228, 1535, 1574, 2456, 3070, 3148, 3935, 4912, 6140, 6296, 7870, 9824, 12280, 12592, 15740, 24560, 25184, 31480, 49120, 62960, 125920, 241609, 483218, 966436, 1208045, 1932872, 2416090, 3865744, 4832180, 7731488, 9664360, 19328720, 38657440]

約数ペア:

[(1, 38657440), (2, 19328720), (4, 9664360), (5, 7731488), (8, 4832180), (10, 3865744), (16, 2416090), (20, 1932872), (32, 1208045), (40, 966436), (80, 483218), (160, 241609), (307, 125920), (614, 62960), (787, 49120), (1228, 31480), (1535, 25184), (1574, 24560), (2456, 15740), (3070, 12592), (3148, 12280), (3935, 9824), (4912, 7870), (6140, 6296)]