675680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 975424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 103, 160, 164, 205, 206, 328, 410, 412, 515, 656, 820, 824, 1030, 1312, 1640, 1648, 2060, 3280, 3296, 4120, 4223, 6560, 8240, 8446, 16480, 16892, 21115, 33784, 42230, 67568, 84460, 135136, 168920, 337840, 675680]

約数ペア:

[(1, 675680), (2, 337840), (4, 168920), (5, 135136), (8, 84460), (10, 67568), (16, 42230), (20, 33784), (32, 21115), (40, 16892), (41, 16480), (80, 8446), (82, 8240), (103, 6560), (160, 4223), (164, 4120), (205, 3296), (206, 3280), (328, 2060), (410, 1648), (412, 1640), (515, 1312), (656, 1030), (820, 824)]