66935380

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21317}}^1$

素因数の和:21483

約数の個数: 24

約数和(自身を含む): 141466248

約数和(自身を除く): 74530868

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21317, 42634, 85268, 106585, 213170, 426340, 3346769, 6693538, 13387076, 16733845, 33467690, 66935380]

約数ペア:

[(1, 66935380), (2, 33467690), (4, 16733845), (5, 13387076), (10, 6693538), (20, 3346769), (157, 426340), (314, 213170), (628, 106585), (785, 85268), (1570, 42634), (3140, 21317)]