20128110910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1\times {\mathrm{34721}}^1$

素因数の和:36756

約数の個数: 32

約数和(自身を含む): 37499760000

約数和(自身を除く): 17371649090

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1999, 3998, 9995, 19990, 34721, 57971, 69442, 115942, 173605, 289855, 347210, 579710, 1006909, 2013818, 5034545, 10069090, 69407279, 138814558, 347036395, 694072790, 2012811091, 4025622182, 10064055455, 20128110910]

約数ペア:

[(1, 20128110910), (2, 10064055455), (5, 4025622182), (10, 2012811091), (29, 694072790), (58, 347036395), (145, 138814558), (290, 69407279), (1999, 10069090), (3998, 5034545), (9995, 2013818), (19990, 1006909), (34721, 579710), (57971, 347210), (69442, 289855), (115942, 173605)]