28868320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13907

約数の個数: 48

約数和(自身を含む): 73452960

約数和(自身を除く): 44584640

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, 13879, 27758, 55516, 69395, 111032, 138790, 180427, 222064, 277580, 360854, 444128, 555160, 721708, 902135, 1110320, 1443416, 1804270, 2220640, 2886832, 3608540, 5773664, 7217080, 14434160, 28868320]

約数ペア:

[(1, 28868320), (2, 14434160), (4, 7217080), (5, 5773664), (8, 3608540), (10, 2886832), (13, 2220640), (16, 1804270), (20, 1443416), (26, 1110320), (32, 902135), (40, 721708), (52, 555160), (65, 444128), (80, 360854), (104, 277580), (130, 222064), (160, 180427), (208, 138790), (260, 111032), (416, 69395), (520, 55516), (1040, 27758), (2080, 13879)]