71590640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81353}}^1$

素因数の和:81377

約数の個数: 40

約数和(自身を含む): 181582128

約数和(自身を除く): 109991488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81353, 162706, 325412, 406765, 650824, 813530, 894883, 1301648, 1627060, 1789766, 3254120, 3579532, 4474415, 6508240, 7159064, 8948830, 14318128, 17897660, 35795320, 71590640]

約数ペア:

[(1, 71590640), (2, 35795320), (4, 17897660), (5, 14318128), (8, 8948830), (10, 7159064), (11, 6508240), (16, 4474415), (20, 3579532), (22, 3254120), (40, 1789766), (44, 1627060), (55, 1301648), (80, 894883), (88, 813530), (110, 650824), (176, 406765), (220, 325412), (440, 162706), (880, 81353)]