71267680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40493}}^1$

素因数の和:40519

約数の個数: 48

約数和(自身を含む): 183680784

約数和(自身を除く): 112413104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40493, 80986, 161972, 202465, 323944, 404930, 445423, 647888, 809860, 890846, 1295776, 1619720, 1781692, 2227115, 3239440, 3563384, 4454230, 6478880, 7126768, 8908460, 14253536, 17816920, 35633840, 71267680]

約数ペア:

[(1, 71267680), (2, 35633840), (4, 17816920), (5, 14253536), (8, 8908460), (10, 7126768), (11, 6478880), (16, 4454230), (20, 3563384), (22, 3239440), (32, 2227115), (40, 1781692), (44, 1619720), (55, 1295776), (80, 890846), (88, 809860), (110, 647888), (160, 445423), (176, 404930), (220, 323944), (352, 202465), (440, 161972), (880, 80986), (1760, 40493)]