7820080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 18302400

約数和(自身を除く): 10482320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 409, 478, 818, 956, 1195, 1636, 1912, 2045, 2390, 3272, 3824, 4090, 4780, 6544, 8180, 9560, 16360, 19120, 32720, 97751, 195502, 391004, 488755, 782008, 977510, 1564016, 1955020, 3910040, 7820080]

約数ペア:

[(1, 7820080), (2, 3910040), (4, 1955020), (5, 1564016), (8, 977510), (10, 782008), (16, 488755), (20, 391004), (40, 195502), (80, 97751), (239, 32720), (409, 19120), (478, 16360), (818, 9560), (956, 8180), (1195, 6544), (1636, 4780), (1912, 4090), (2045, 3824), (2390, 3272)]