67240820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 148091328

約数和(自身を除く): 80850508

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 1907, 3526, 3814, 7052, 7628, 8815, 9535, 17630, 19070, 35260, 38140, 78187, 82001, 156374, 164002, 312748, 328004, 390935, 410005, 781870, 820010, 1563740, 1640020, 3362041, 6724082, 13448164, 16810205, 33620410, 67240820]

約数ペア:

[(1, 67240820), (2, 33620410), (4, 16810205), (5, 13448164), (10, 6724082), (20, 3362041), (41, 1640020), (43, 1563740), (82, 820010), (86, 781870), (164, 410005), (172, 390935), (205, 328004), (215, 312748), (410, 164002), (430, 156374), (820, 82001), (860, 78187), (1763, 38140), (1907, 35260), (3526, 19070), (3814, 17630), (7052, 9535), (7628, 8815)]