87652520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{7001}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 197876520

約数和(自身を除く): 110224000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 7001, 12520, 14002, 28004, 35005, 56008, 70010, 140020, 280040, 2191313, 4382626, 8765252, 10956565, 17530504, 21913130, 43826260, 87652520]

約数ペア:

[(1, 87652520), (2, 43826260), (4, 21913130), (5, 17530504), (8, 10956565), (10, 8765252), (20, 4382626), (40, 2191313), (313, 280040), (626, 140020), (1252, 70010), (1565, 56008), (2504, 35005), (3130, 28004), (6260, 14002), (7001, 12520)]