12942880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 31339224

約数和(自身を除く): 18396344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 1973, 3280, 3946, 6560, 7892, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 80893, 157840, 161786, 315680, 323572, 404465, 647144, 808930, 1294288, 1617860, 2588576, 3235720, 6471440, 12942880]

約数ペア:

[(1, 12942880), (2, 6471440), (4, 3235720), (5, 2588576), (8, 1617860), (10, 1294288), (16, 808930), (20, 647144), (32, 404465), (40, 323572), (41, 315680), (80, 161786), (82, 157840), (160, 80893), (164, 78920), (205, 63136), (328, 39460), (410, 31568), (656, 19730), (820, 15784), (1312, 9865), (1640, 7892), (1973, 6560), (3280, 3946)]