12419720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7573}}^1$

素因数の和:7625

約数の個数: 32

約数和(自身を含む): 28629720

約数和(自身を除く): 16210000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7573, 15146, 30292, 37865, 60584, 75730, 151460, 302920, 310493, 620986, 1241972, 1552465, 2483944, 3104930, 6209860, 12419720]

約数ペア:

[(1, 12419720), (2, 6209860), (4, 3104930), (5, 2483944), (8, 1552465), (10, 1241972), (20, 620986), (40, 310493), (41, 302920), (82, 151460), (164, 75730), (205, 60584), (328, 37865), (410, 30292), (820, 15146), (1640, 7573)]