856552720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 2024388288

約数和(自身を除く): 1167835568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 227, 404, 454, 467, 505, 808, 908, 934, 1010, 1135, 1616, 1816, 1868, 2020, 2270, 2335, 3632, 3736, 4040, 4540, 4670, 7472, 8080, 9080, 9340, 18160, 18680, 22927, 37360, 45854, 47167, 91708, 94334, 106009, 114635, 183416, 188668, 212018, 229270, 235835, 366832, 377336, 424036, 458540, 471670, 530045, 754672, 848072, 917080, 943340, 1060090, 1696144, 1834160, 1886680, 2120180, 3773360, 4240360, 8480720, 10706909, 21413818, 42827636, 53534545, 85655272, 107069090, 171310544, 214138180, 428276360, 856552720]

約数ペア:

[(1, 856552720), (2, 428276360), (4, 214138180), (5, 171310544), (8, 107069090), (10, 85655272), (16, 53534545), (20, 42827636), (40, 21413818), (80, 10706909), (101, 8480720), (202, 4240360), (227, 3773360), (404, 2120180), (454, 1886680), (467, 1834160), (505, 1696144), (808, 1060090), (908, 943340), (934, 917080), (1010, 848072), (1135, 754672), (1616, 530045), (1816, 471670), (1868, 458540), (2020, 424036), (2270, 377336), (2335, 366832), (3632, 235835), (3736, 229270), (4040, 212018), (4540, 188668), (4670, 183416), (7472, 114635), (8080, 106009), (9080, 94334), (9340, 91708), (18160, 47167), (18680, 45854), (22927, 37360)]