17671640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{63113}}^1$

素因数の和:63131

約数の個数: 32

約数和(自身を含む): 45442080

約数和(自身を除く): 27770440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 63113, 126226, 252452, 315565, 441791, 504904, 631130, 883582, 1262260, 1767164, 2208955, 2524520, 3534328, 4417910, 8835820, 17671640]

約数ペア:

[(1, 17671640), (2, 8835820), (4, 4417910), (5, 3534328), (7, 2524520), (8, 2208955), (10, 1767164), (14, 1262260), (20, 883582), (28, 631130), (35, 504904), (40, 441791), (56, 315565), (70, 252452), (140, 126226), (280, 63113)]