8216480

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 19663560

約数和(自身を除く): 11447080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 577, 712, 890, 1154, 1424, 1780, 2308, 2848, 2885, 3560, 4616, 5770, 7120, 9232, 11540, 14240, 18464, 23080, 46160, 51353, 92320, 102706, 205412, 256765, 410824, 513530, 821648, 1027060, 1643296, 2054120, 4108240, 8216480]

約数ペア:

[(1, 8216480), (2, 4108240), (4, 2054120), (5, 1643296), (8, 1027060), (10, 821648), (16, 513530), (20, 410824), (32, 256765), (40, 205412), (80, 102706), (89, 92320), (160, 51353), (178, 46160), (356, 23080), (445, 18464), (577, 14240), (712, 11540), (890, 9232), (1154, 7120), (1424, 5770), (1780, 4616), (2308, 3560), (2848, 2885)]