2018605840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{2273}}^1$

素因数の和:2956

約数の個数: 80

約数和(自身を含む): 4979132208

約数和(自身を除く): 2960526368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 653, 680, 1306, 1360, 2273, 2612, 3265, 4546, 5224, 6530, 9092, 10448, 11101, 11365, 13060, 18184, 22202, 22730, 26120, 36368, 38641, 44404, 45460, 52240, 55505, 77282, 88808, 90920, 111010, 154564, 177616, 181840, 193205, 222020, 309128, 386410, 444040, 618256, 772820, 888080, 1484269, 1545640, 2968538, 3091280, 5937076, 7421345, 11874152, 14842690, 23748304, 25232573, 29685380, 50465146, 59370760, 100930292, 118741520, 126162865, 201860584, 252325730, 403721168, 504651460, 1009302920, 2018605840]

約数ペア:

[(1, 2018605840), (2, 1009302920), (4, 504651460), (5, 403721168), (8, 252325730), (10, 201860584), (16, 126162865), (17, 118741520), (20, 100930292), (34, 59370760), (40, 50465146), (68, 29685380), (80, 25232573), (85, 23748304), (136, 14842690), (170, 11874152), (272, 7421345), (340, 5937076), (653, 3091280), (680, 2968538), (1306, 1545640), (1360, 1484269), (2273, 888080), (2612, 772820), (3265, 618256), (4546, 444040), (5224, 386410), (6530, 309128), (9092, 222020), (10448, 193205), (11101, 181840), (11365, 177616), (13060, 154564), (18184, 111010), (22202, 90920), (22730, 88808), (26120, 77282), (36368, 55505), (38641, 52240), (44404, 45460)]