8489440

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 20300112

約数和(自身を除く): 11810672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 547, 776, 970, 1094, 1552, 1940, 2188, 2735, 3104, 3880, 4376, 5470, 7760, 8752, 10940, 15520, 17504, 21880, 43760, 53059, 87520, 106118, 212236, 265295, 424472, 530590, 848944, 1061180, 1697888, 2122360, 4244720, 8489440]

約数ペア:

[(1, 8489440), (2, 4244720), (4, 2122360), (5, 1697888), (8, 1061180), (10, 848944), (16, 530590), (20, 424472), (32, 265295), (40, 212236), (80, 106118), (97, 87520), (160, 53059), (194, 43760), (388, 21880), (485, 17504), (547, 15520), (776, 10940), (970, 8752), (1094, 7760), (1552, 5470), (1940, 4376), (2188, 3880), (2735, 3104)]