72488840

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5903}}^1$

素因数の和:6221

約数の個数: 32

約数和(自身を含む): 163658880

約数和(自身を除く): 91170040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5903, 6140, 11806, 12280, 23612, 29515, 47224, 59030, 118060, 236120, 1812221, 3624442, 7248884, 9061105, 14497768, 18122210, 36244420, 72488840]

約数ペア:

[(1, 72488840), (2, 36244420), (4, 18122210), (5, 14497768), (8, 9061105), (10, 7248884), (20, 3624442), (40, 1812221), (307, 236120), (614, 118060), (1228, 59030), (1535, 47224), (2456, 29515), (3070, 23612), (5903, 12280), (6140, 11806)]