56801980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{46559}}^1$

素因数の和:46629

約数の個数: 24

約数和(自身を含む): 121242240

約数和(自身を除く): 64440260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 46559, 93118, 186236, 232795, 465590, 931180, 2840099, 5680198, 11360396, 14200495, 28400990, 56801980]

約数ペア:

[(1, 56801980), (2, 28400990), (4, 14200495), (5, 11360396), (10, 5680198), (20, 2840099), (61, 931180), (122, 465590), (244, 232795), (305, 186236), (610, 93118), (1220, 46559)]