12459460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 28442736

約数和(自身を除く): 15983276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 277, 346, 554, 692, 865, 1108, 1385, 1730, 2249, 2770, 3460, 3601, 4498, 5540, 7202, 8996, 11245, 14404, 18005, 22490, 36010, 44980, 47921, 72020, 95842, 191684, 239605, 479210, 622973, 958420, 1245946, 2491892, 3114865, 6229730, 12459460]

約数ペア:

[(1, 12459460), (2, 6229730), (4, 3114865), (5, 2491892), (10, 1245946), (13, 958420), (20, 622973), (26, 479210), (52, 239605), (65, 191684), (130, 95842), (173, 72020), (260, 47921), (277, 44980), (346, 36010), (554, 22490), (692, 18005), (865, 14404), (1108, 11245), (1385, 8996), (1730, 7202), (2249, 5540), (2770, 4498), (3460, 3601)]