28671440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51199}}^1$

素因数の和:51219

約数の個数: 40

約数和(自身を含む): 76185600

約数和(自身を除く): 47514160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51199, 102398, 204796, 255995, 358393, 409592, 511990, 716786, 819184, 1023980, 1433572, 1791965, 2047960, 2867144, 3583930, 4095920, 5734288, 7167860, 14335720, 28671440]

約数ペア:

[(1, 28671440), (2, 14335720), (4, 7167860), (5, 5734288), (7, 4095920), (8, 3583930), (10, 2867144), (14, 2047960), (16, 1791965), (20, 1433572), (28, 1023980), (35, 819184), (40, 716786), (56, 511990), (70, 409592), (80, 358393), (112, 255995), (140, 204796), (280, 102398), (560, 51199)]