7816640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1909

約数の個数: 56

約数和(自身を含む): 20055840

約数和(自身を除く): 12239200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1879, 2080, 3758, 4160, 7516, 9395, 15032, 18790, 24427, 30064, 37580, 48854, 60128, 75160, 97708, 120256, 122135, 150320, 195416, 244270, 300640, 390832, 488540, 601280, 781664, 977080, 1563328, 1954160, 3908320, 7816640]

約数ペア:

[(1, 7816640), (2, 3908320), (4, 1954160), (5, 1563328), (8, 977080), (10, 781664), (13, 601280), (16, 488540), (20, 390832), (26, 300640), (32, 244270), (40, 195416), (52, 150320), (64, 122135), (65, 120256), (80, 97708), (104, 75160), (130, 60128), (160, 48854), (208, 37580), (260, 30064), (320, 24427), (416, 18790), (520, 15032), (832, 9395), (1040, 7516), (1879, 4160), (2080, 3758)]