12419960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44357}}^1$

素因数の和:44375

約数の個数: 32

約数和(自身を含む): 31937760

約数和(自身を除く): 19517800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44357, 88714, 177428, 221785, 310499, 354856, 443570, 620998, 887140, 1241996, 1552495, 1774280, 2483992, 3104990, 6209980, 12419960]

約数ペア:

[(1, 12419960), (2, 6209980), (4, 3104990), (5, 2483992), (7, 1774280), (8, 1552495), (10, 1241996), (14, 887140), (20, 620998), (28, 443570), (35, 354856), (40, 310499), (56, 221785), (70, 177428), (140, 88714), (280, 44357)]