80770240

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1649

約数の個数: 56

約数和(自身を含む): 193578480

約数和(自身を除く): 112808240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1384, 1459, 1730, 2768, 2918, 3460, 5536, 5836, 6920, 7295, 11072, 11672, 13840, 14590, 23344, 27680, 29180, 46688, 55360, 58360, 93376, 116720, 233440, 252407, 466880, 504814, 1009628, 1262035, 2019256, 2524070, 4038512, 5048140, 8077024, 10096280, 16154048, 20192560, 40385120, 80770240]

約数ペア:

[(1, 80770240), (2, 40385120), (4, 20192560), (5, 16154048), (8, 10096280), (10, 8077024), (16, 5048140), (20, 4038512), (32, 2524070), (40, 2019256), (64, 1262035), (80, 1009628), (160, 504814), (173, 466880), (320, 252407), (346, 233440), (692, 116720), (865, 93376), (1384, 58360), (1459, 55360), (1730, 46688), (2768, 29180), (2918, 27680), (3460, 23344), (5536, 14590), (5836, 13840), (6920, 11672), (7295, 11072)]