17941924720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{27767}}^1$

素因数の和:28018

約数の個数: 80

約数和(自身を含む): 42950875968

約数和(自身を除く): 25008951248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 197, 205, 328, 394, 410, 656, 788, 820, 985, 1576, 1640, 1970, 3152, 3280, 3940, 7880, 8077, 15760, 16154, 27767, 32308, 40385, 55534, 64616, 80770, 111068, 129232, 138835, 161540, 222136, 277670, 323080, 444272, 555340, 646160, 1110680, 1138447, 2221360, 2276894, 4553788, 5470099, 5692235, 9107576, 10940198, 11384470, 18215152, 21880396, 22768940, 27350495, 43760792, 45537880, 54700990, 87521584, 91075760, 109401980, 218803960, 224274059, 437607920, 448548118, 897096236, 1121370295, 1794192472, 2242740590, 3588384944, 4485481180, 8970962360, 17941924720]

約数ペア:

[(1, 17941924720), (2, 8970962360), (4, 4485481180), (5, 3588384944), (8, 2242740590), (10, 1794192472), (16, 1121370295), (20, 897096236), (40, 448548118), (41, 437607920), (80, 224274059), (82, 218803960), (164, 109401980), (197, 91075760), (205, 87521584), (328, 54700990), (394, 45537880), (410, 43760792), (656, 27350495), (788, 22768940), (820, 21880396), (985, 18215152), (1576, 11384470), (1640, 10940198), (1970, 9107576), (3152, 5692235), (3280, 5470099), (3940, 4553788), (7880, 2276894), (8077, 2221360), (15760, 1138447), (16154, 1110680), (27767, 646160), (32308, 555340), (40385, 444272), (55534, 323080), (64616, 277670), (80770, 222136), (111068, 161540), (129232, 138835)]