8908640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4311

約数の個数: 48

約数和(自身を含む): 22670928

約数和(自身を除く): 13762288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 4283, 8566, 17132, 21415, 34264, 42830, 55679, 68528, 85660, 111358, 137056, 171320, 222716, 278395, 342640, 445432, 556790, 685280, 890864, 1113580, 1781728, 2227160, 4454320, 8908640]

約数ペア:

[(1, 8908640), (2, 4454320), (4, 2227160), (5, 1781728), (8, 1113580), (10, 890864), (13, 685280), (16, 556790), (20, 445432), (26, 342640), (32, 278395), (40, 222716), (52, 171320), (65, 137056), (80, 111358), (104, 85660), (130, 68528), (160, 55679), (208, 42830), (260, 34264), (416, 21415), (520, 17132), (1040, 8566), (2080, 4283)]