27451220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22501}}^1$

素因数の和:22571

約数の個数: 24

約数和(自身を含む): 58595208

約数和(自身を除く): 31143988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22501, 45002, 90004, 112505, 225010, 450020, 1372561, 2745122, 5490244, 6862805, 13725610, 27451220]

約数ペア:

[(1, 27451220), (2, 13725610), (4, 6862805), (5, 5490244), (10, 2745122), (20, 1372561), (61, 450020), (122, 225010), (244, 112505), (305, 90004), (610, 45002), (1220, 22501)]