187440040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{35771}}^1$

素因数の和:35913

約数の個数: 32

約数和(自身を含む): 424971360

約数和(自身を除く): 237531320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 35771, 71542, 143084, 178855, 286168, 357710, 715420, 1430840, 4686001, 9372002, 18744004, 23430005, 37488008, 46860010, 93720020, 187440040]

約数ペア:

[(1, 187440040), (2, 93720020), (4, 46860010), (5, 37488008), (8, 23430005), (10, 18744004), (20, 9372002), (40, 4686001), (131, 1430840), (262, 715420), (524, 357710), (655, 286168), (1048, 178855), (1310, 143084), (2620, 71542), (5240, 35771)]