55778080

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3917}}^1$

素因数の和:4021

約数の個数: 48

約数和(自身を含む): 133290360

約数和(自身を除く): 77512280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 3917, 7120, 7834, 14240, 15668, 19585, 31336, 39170, 62672, 78340, 125344, 156680, 313360, 348613, 626720, 697226, 1394452, 1743065, 2788904, 3486130, 5577808, 6972260, 11155616, 13944520, 27889040, 55778080]

約数ペア:

[(1, 55778080), (2, 27889040), (4, 13944520), (5, 11155616), (8, 6972260), (10, 5577808), (16, 3486130), (20, 2788904), (32, 1743065), (40, 1394452), (80, 697226), (89, 626720), (160, 348613), (178, 313360), (356, 156680), (445, 125344), (712, 78340), (890, 62672), (1424, 39170), (1780, 31336), (2848, 19585), (3560, 15668), (3917, 14240), (7120, 7834)]