17954440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64123}}^1$

素因数の和:64141

約数の個数: 32

約数和(自身を含む): 46169280

約数和(自身を除く): 28214840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64123, 128246, 256492, 320615, 448861, 512984, 641230, 897722, 1282460, 1795444, 2244305, 2564920, 3590888, 4488610, 8977220, 17954440]

約数ペア:

[(1, 17954440), (2, 8977220), (4, 4488610), (5, 3590888), (7, 2564920), (8, 2244305), (10, 1795444), (14, 1282460), (20, 897722), (28, 641230), (35, 512984), (40, 448861), (56, 320615), (70, 256492), (140, 128246), (280, 64123)]