12388880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22123}}^1$

素因数の和:22143

約数の個数: 40

約数和(自身を含む): 32920512

約数和(自身を除く): 20531632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22123, 44246, 88492, 110615, 154861, 176984, 221230, 309722, 353968, 442460, 619444, 774305, 884920, 1238888, 1548610, 1769840, 2477776, 3097220, 6194440, 12388880]

約数ペア:

[(1, 12388880), (2, 6194440), (4, 3097220), (5, 2477776), (7, 1769840), (8, 1548610), (10, 1238888), (14, 884920), (16, 774305), (20, 619444), (28, 442460), (35, 353968), (40, 309722), (56, 221230), (70, 176984), (80, 154861), (112, 110615), (140, 88492), (280, 44246), (560, 22123)]