55119980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 64630420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 428, 430, 535, 599, 860, 1070, 1198, 2140, 2396, 2995, 4601, 5990, 9202, 11980, 18404, 23005, 25757, 46010, 51514, 64093, 92020, 103028, 128186, 128785, 256372, 257570, 320465, 515140, 640930, 1281860, 2755999, 5511998, 11023996, 13779995, 27559990, 55119980]

約数ペア:

[(1, 55119980), (2, 27559990), (4, 13779995), (5, 11023996), (10, 5511998), (20, 2755999), (43, 1281860), (86, 640930), (107, 515140), (172, 320465), (214, 257570), (215, 256372), (428, 128785), (430, 128186), (535, 103028), (599, 92020), (860, 64093), (1070, 51514), (1198, 46010), (2140, 25757), (2396, 23005), (2995, 18404), (4601, 11980), (5990, 9202)]