126737560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{77279}}^1$

素因数の和:77331

約数の個数: 32

約数和(自身を含む): 292118400

約数和(自身を除く): 165380840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 77279, 154558, 309116, 386395, 618232, 772790, 1545580, 3091160, 3168439, 6336878, 12673756, 15842195, 25347512, 31684390, 63368780, 126737560]

約数ペア:

[(1, 126737560), (2, 63368780), (4, 31684390), (5, 25347512), (8, 15842195), (10, 12673756), (20, 6336878), (40, 3168439), (41, 3091160), (82, 1545580), (164, 772790), (205, 618232), (328, 386395), (410, 309116), (820, 154558), (1640, 77279)]