48327440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 129336960

約数和(自身を除く): 81009520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 409, 422, 560, 818, 844, 1055, 1477, 1636, 1688, 2045, 2110, 2863, 2954, 3272, 3376, 4090, 4220, 5726, 5908, 6544, 7385, 8180, 8440, 11452, 11816, 14315, 14770, 16360, 16880, 22904, 23632, 28630, 29540, 32720, 45808, 57260, 59080, 86299, 114520, 118160, 172598, 229040, 345196, 431495, 604093, 690392, 862990, 1208186, 1380784, 1725980, 2416372, 3020465, 3451960, 4832744, 6040930, 6903920, 9665488, 12081860, 24163720, 48327440]

約数ペア:

[(1, 48327440), (2, 24163720), (4, 12081860), (5, 9665488), (7, 6903920), (8, 6040930), (10, 4832744), (14, 3451960), (16, 3020465), (20, 2416372), (28, 1725980), (35, 1380784), (40, 1208186), (56, 862990), (70, 690392), (80, 604093), (112, 431495), (140, 345196), (211, 229040), (280, 172598), (409, 118160), (422, 114520), (560, 86299), (818, 59080), (844, 57260), (1055, 45808), (1477, 32720), (1636, 29540), (1688, 28630), (2045, 23632), (2110, 22904), (2863, 16880), (2954, 16360), (3272, 14770), (3376, 14315), (4090, 11816), (4220, 11452), (5726, 8440), (5908, 8180), (6544, 7385)]