104920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 245520

約数和(自身を除く): 140600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 1220, 1720, 2440, 2623, 5246, 10492, 13115, 20984, 26230, 52460, 104920]

約数ペア:

[(1, 104920), (2, 52460), (4, 26230), (5, 20984), (8, 13115), (10, 10492), (20, 5246), (40, 2623), (43, 2440), (61, 1720), (86, 1220), (122, 860), (172, 610), (215, 488), (244, 430), (305, 344)]