179904680

素因数分解:

$2^3\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{2153}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 405167400

約数和(自身を除く): 225262720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2089, 2153, 4178, 4306, 8356, 8612, 10445, 10765, 16712, 17224, 20890, 21530, 41780, 43060, 83560, 86120, 4497617, 8995234, 17990468, 22488085, 35980936, 44976170, 89952340, 179904680]

約数ペア:

[(1, 179904680), (2, 89952340), (4, 44976170), (5, 35980936), (8, 22488085), (10, 17990468), (20, 8995234), (40, 4497617), (2089, 86120), (2153, 83560), (4178, 43060), (4306, 41780), (8356, 21530), (8612, 20890), (10445, 17224), (10765, 16712)]