71779660

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2311}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 150899616

約数和(自身を除く): 79119956

約数列:

[1, 2, 4, 5, 10, 20, 1553, 2311, 3106, 4622, 6212, 7765, 9244, 11555, 15530, 23110, 31060, 46220, 3588983, 7177966, 14355932, 17944915, 35889830, 71779660]

約数ペア:

[(1, 71779660), (2, 35889830), (4, 17944915), (5, 14355932), (10, 7177966), (20, 3588983), (1553, 46220), (2311, 31060), (3106, 23110), (4622, 15530), (6212, 11555), (7765, 9244)]