8151640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4159}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 21340800

約数和(自身を除く): 13189160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4159, 8318, 16636, 20795, 29113, 33272, 41590, 58226, 83180, 116452, 145565, 166360, 203791, 232904, 291130, 407582, 582260, 815164, 1018955, 1164520, 1630328, 2037910, 4075820, 8151640]

約数ペア:

[(1, 8151640), (2, 4075820), (4, 2037910), (5, 1630328), (7, 1164520), (8, 1018955), (10, 815164), (14, 582260), (20, 407582), (28, 291130), (35, 232904), (40, 203791), (49, 166360), (56, 145565), (70, 116452), (98, 83180), (140, 58226), (196, 41590), (245, 33272), (280, 29113), (392, 20795), (490, 16636), (980, 8318), (1960, 4159)]