82400080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 220164480

約数和(自身を除く): 137764400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 547, 560, 1076, 1094, 1345, 1883, 2152, 2188, 2690, 2735, 3766, 3829, 4304, 4376, 5380, 5470, 7532, 7658, 8752, 9415, 10760, 10940, 15064, 15316, 18830, 19145, 21520, 21880, 30128, 30632, 37660, 38290, 43760, 61264, 75320, 76580, 147143, 150640, 153160, 294286, 306320, 588572, 735715, 1030001, 1177144, 1471430, 2060002, 2354288, 2942860, 4120004, 5150005, 5885720, 8240008, 10300010, 11771440, 16480016, 20600020, 41200040, 82400080]

約数ペア:

[(1, 82400080), (2, 41200040), (4, 20600020), (5, 16480016), (7, 11771440), (8, 10300010), (10, 8240008), (14, 5885720), (16, 5150005), (20, 4120004), (28, 2942860), (35, 2354288), (40, 2060002), (56, 1471430), (70, 1177144), (80, 1030001), (112, 735715), (140, 588572), (269, 306320), (280, 294286), (538, 153160), (547, 150640), (560, 147143), (1076, 76580), (1094, 75320), (1345, 61264), (1883, 43760), (2152, 38290), (2188, 37660), (2690, 30632), (2735, 30128), (3766, 21880), (3829, 21520), (4304, 19145), (4376, 18830), (5380, 15316), (5470, 15064), (7532, 10940), (7658, 10760), (8752, 9415)]