40428080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6563}}^1$

素因数の和:6594

約数の個数: 80

約数和(自身を含む): 117206784

約数和(自身を除く): 76778704

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 6563, 13126, 26252, 32815, 45941, 52504, 65630, 72193, 91882, 105008, 131260, 144386, 183764, 229705, 262520, 288772, 360965, 367528, 459410, 505351, 525040, 577544, 721930, 735056, 918820, 1010702, 1155088, 1443860, 1837640, 2021404, 2526755, 2887720, 3675280, 4042808, 5053510, 5775440, 8085616, 10107020, 20214040, 40428080]

約数ペア:

[(1, 40428080), (2, 20214040), (4, 10107020), (5, 8085616), (7, 5775440), (8, 5053510), (10, 4042808), (11, 3675280), (14, 2887720), (16, 2526755), (20, 2021404), (22, 1837640), (28, 1443860), (35, 1155088), (40, 1010702), (44, 918820), (55, 735056), (56, 721930), (70, 577544), (77, 525040), (80, 505351), (88, 459410), (110, 367528), (112, 360965), (140, 288772), (154, 262520), (176, 229705), (220, 183764), (280, 144386), (308, 131260), (385, 105008), (440, 91882), (560, 72193), (616, 65630), (770, 52504), (880, 45941), (1232, 32815), (1540, 26252), (3080, 13126), (6160, 6563)]