68243680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 168412608

約数和(自身を除く): 100168928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 101, 103, 160, 164, 202, 205, 206, 328, 404, 410, 412, 505, 515, 656, 808, 820, 824, 1010, 1030, 1312, 1616, 1640, 1648, 2020, 2060, 3232, 3280, 3296, 4040, 4120, 4141, 4223, 6560, 8080, 8240, 8282, 8446, 10403, 16160, 16480, 16564, 16892, 20705, 20806, 21115, 33128, 33784, 41410, 41612, 42230, 52015, 66256, 67568, 82820, 83224, 84460, 104030, 132512, 135136, 165640, 166448, 168920, 208060, 331280, 332896, 337840, 416120, 426523, 662560, 675680, 832240, 853046, 1664480, 1706092, 2132615, 3412184, 4265230, 6824368, 8530460, 13648736, 17060920, 34121840, 68243680]

約数ペア:

[(1, 68243680), (2, 34121840), (4, 17060920), (5, 13648736), (8, 8530460), (10, 6824368), (16, 4265230), (20, 3412184), (32, 2132615), (40, 1706092), (41, 1664480), (80, 853046), (82, 832240), (101, 675680), (103, 662560), (160, 426523), (164, 416120), (202, 337840), (205, 332896), (206, 331280), (328, 208060), (404, 168920), (410, 166448), (412, 165640), (505, 135136), (515, 132512), (656, 104030), (808, 84460), (820, 83224), (824, 82820), (1010, 67568), (1030, 66256), (1312, 52015), (1616, 42230), (1640, 41612), (1648, 41410), (2020, 33784), (2060, 33128), (3232, 21115), (3280, 20806), (3296, 20705), (4040, 16892), (4120, 16564), (4141, 16480), (4223, 16160), (6560, 10403), (8080, 8446), (8240, 8282)]