71164840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 99907160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 1979, 3596, 3958, 4495, 7192, 7916, 8990, 9895, 15832, 17980, 19790, 35960, 39580, 57391, 61349, 79160, 114782, 122698, 229564, 245396, 286955, 306745, 459128, 490792, 573910, 613490, 1147820, 1226980, 1779121, 2295640, 2453960, 3558242, 7116484, 8895605, 14232968, 17791210, 35582420, 71164840]

約数ペア:

[(1, 71164840), (2, 35582420), (4, 17791210), (5, 14232968), (8, 8895605), (10, 7116484), (20, 3558242), (29, 2453960), (31, 2295640), (40, 1779121), (58, 1226980), (62, 1147820), (116, 613490), (124, 573910), (145, 490792), (155, 459128), (232, 306745), (248, 286955), (290, 245396), (310, 229564), (580, 122698), (620, 114782), (899, 79160), (1160, 61349), (1240, 57391), (1798, 39580), (1979, 35960), (3596, 19790), (3958, 17980), (4495, 15832), (7192, 9895), (7916, 8990)]