40663280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72613}}^1$

素因数の和:72633

約数の個数: 40

約数和(自身を含む): 108049632

約数和(自身を除く): 67386352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72613, 145226, 290452, 363065, 508291, 580904, 726130, 1016582, 1161808, 1452260, 2033164, 2541455, 2904520, 4066328, 5082910, 5809040, 8132656, 10165820, 20331640, 40663280]

約数ペア:

[(1, 40663280), (2, 20331640), (4, 10165820), (5, 8132656), (7, 5809040), (8, 5082910), (10, 4066328), (14, 2904520), (16, 2541455), (20, 2033164), (28, 1452260), (35, 1161808), (40, 1016582), (56, 726130), (70, 580904), (80, 508291), (112, 363065), (140, 290452), (280, 145226), (560, 72613)]