31720700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28837}}^1$

素因数の和:28862

約数の個数: 36

約数和(自身を含む): 75094152

約数和(自身を除く): 43373452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28837, 57674, 115348, 144185, 288370, 317207, 576740, 634414, 720925, 1268828, 1441850, 1586035, 2883700, 3172070, 6344140, 7930175, 15860350, 31720700]

約数ペア:

[(1, 31720700), (2, 15860350), (4, 7930175), (5, 6344140), (10, 3172070), (11, 2883700), (20, 1586035), (22, 1441850), (25, 1268828), (44, 720925), (50, 634414), (55, 576740), (100, 317207), (110, 288370), (220, 144185), (275, 115348), (550, 57674), (1100, 28837)]