12848920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 33422400

約数和(自身を除く): 20573480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 421, 436, 545, 763, 842, 872, 1090, 1526, 1684, 2105, 2180, 2947, 3052, 3368, 3815, 4210, 4360, 5894, 6104, 7630, 8420, 11788, 14735, 15260, 16840, 23576, 29470, 30520, 45889, 58940, 91778, 117880, 183556, 229445, 321223, 367112, 458890, 642446, 917780, 1284892, 1606115, 1835560, 2569784, 3212230, 6424460, 12848920]

約数ペア:

[(1, 12848920), (2, 6424460), (4, 3212230), (5, 2569784), (7, 1835560), (8, 1606115), (10, 1284892), (14, 917780), (20, 642446), (28, 458890), (35, 367112), (40, 321223), (56, 229445), (70, 183556), (109, 117880), (140, 91778), (218, 58940), (280, 45889), (421, 30520), (436, 29470), (545, 23576), (763, 16840), (842, 15260), (872, 14735), (1090, 11788), (1526, 8420), (1684, 7630), (2105, 6104), (2180, 5894), (2947, 4360), (3052, 4210), (3368, 3815)]