40440820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1913}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 97751808

約数和(自身を除く): 57310988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 1913, 2114, 3020, 3826, 4228, 5285, 7652, 9565, 10570, 13391, 19130, 21140, 26782, 38260, 53564, 66955, 133910, 267820, 288863, 577726, 1155452, 1444315, 2022041, 2888630, 4044082, 5777260, 8088164, 10110205, 20220410, 40440820]

約数ペア:

[(1, 40440820), (2, 20220410), (4, 10110205), (5, 8088164), (7, 5777260), (10, 4044082), (14, 2888630), (20, 2022041), (28, 1444315), (35, 1155452), (70, 577726), (140, 288863), (151, 267820), (302, 133910), (604, 66955), (755, 53564), (1057, 38260), (1510, 26782), (1913, 21140), (2114, 19130), (3020, 13391), (3826, 10570), (4228, 9565), (5285, 7652)]