2005152080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{4297}}^1$

素因数の和:4636

約数の個数: 80

約数和(自身を含む): 4924476480

約数和(自身を除く): 2919324400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 307, 380, 614, 760, 1228, 1520, 1535, 2456, 3070, 4297, 4912, 5833, 6140, 8594, 11666, 12280, 17188, 21485, 23332, 24560, 29165, 34376, 42970, 46664, 58330, 68752, 81643, 85940, 93328, 116660, 163286, 171880, 233320, 326572, 343760, 408215, 466640, 653144, 816430, 1306288, 1319179, 1632860, 2638358, 3265720, 5276716, 6531440, 6595895, 10553432, 13191790, 21106864, 25064401, 26383580, 50128802, 52767160, 100257604, 105534320, 125322005, 200515208, 250644010, 401030416, 501288020, 1002576040, 2005152080]

約数ペア:

[(1, 2005152080), (2, 1002576040), (4, 501288020), (5, 401030416), (8, 250644010), (10, 200515208), (16, 125322005), (19, 105534320), (20, 100257604), (38, 52767160), (40, 50128802), (76, 26383580), (80, 25064401), (95, 21106864), (152, 13191790), (190, 10553432), (304, 6595895), (307, 6531440), (380, 5276716), (614, 3265720), (760, 2638358), (1228, 1632860), (1520, 1319179), (1535, 1306288), (2456, 816430), (3070, 653144), (4297, 466640), (4912, 408215), (5833, 343760), (6140, 326572), (8594, 233320), (11666, 171880), (12280, 163286), (17188, 116660), (21485, 93328), (23332, 85940), (24560, 81643), (29165, 68752), (34376, 58330), (42970, 46664)]