12680480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 30704184

約数和(自身を除く): 18023704

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, 1933, 3280, 3866, 6560, 7732, 9665, 15464, 19330, 30928, 38660, 61856, 77320, 79253, 154640, 158506, 309280, 317012, 396265, 634024, 792530, 1268048, 1585060, 2536096, 3170120, 6340240, 12680480]

約数ペア:

[(1, 12680480), (2, 6340240), (4, 3170120), (5, 2536096), (8, 1585060), (10, 1268048), (16, 792530), (20, 634024), (32, 396265), (40, 317012), (41, 309280), (80, 158506), (82, 154640), (160, 79253), (164, 77320), (205, 61856), (328, 38660), (410, 30928), (656, 19330), (820, 15464), (1312, 9665), (1640, 7732), (1933, 6560), (3280, 3866)]