87364820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 202245120

約数和(自身を除く): 114880300

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 113, 116, 124, 145, 155, 172, 215, 226, 290, 310, 430, 452, 565, 580, 620, 860, 899, 1130, 1247, 1333, 1798, 2260, 2494, 2666, 3277, 3503, 3596, 4495, 4859, 4988, 5332, 6235, 6554, 6665, 7006, 8990, 9718, 12470, 13108, 13330, 14012, 16385, 17515, 17980, 19436, 24295, 24940, 26660, 32770, 35030, 38657, 48590, 65540, 70060, 77314, 97180, 101587, 140911, 150629, 154628, 193285, 203174, 281822, 301258, 386570, 406348, 507935, 563644, 602516, 704555, 753145, 773140, 1015870, 1409110, 1506290, 2031740, 2818220, 3012580, 4368241, 8736482, 17472964, 21841205, 43682410, 87364820]

約数ペア:

[(1, 87364820), (2, 43682410), (4, 21841205), (5, 17472964), (10, 8736482), (20, 4368241), (29, 3012580), (31, 2818220), (43, 2031740), (58, 1506290), (62, 1409110), (86, 1015870), (113, 773140), (116, 753145), (124, 704555), (145, 602516), (155, 563644), (172, 507935), (215, 406348), (226, 386570), (290, 301258), (310, 281822), (430, 203174), (452, 193285), (565, 154628), (580, 150629), (620, 140911), (860, 101587), (899, 97180), (1130, 77314), (1247, 70060), (1333, 65540), (1798, 48590), (2260, 38657), (2494, 35030), (2666, 32770), (3277, 26660), (3503, 24940), (3596, 24295), (4495, 19436), (4859, 17980), (4988, 17515), (5332, 16385), (6235, 14012), (6554, 13330), (6665, 13108), (7006, 12470), (8990, 9718)]