130779520

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 315302400

約数和(自身を除く): 184522880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 1609, 2032, 2540, 3218, 4064, 5080, 6436, 8045, 8128, 10160, 12872, 16090, 16256, 20320, 25744, 32180, 40640, 51488, 64360, 81280, 102976, 128720, 204343, 205952, 257440, 408686, 514880, 817372, 1021715, 1029760, 1634744, 2043430, 3269488, 4086860, 6538976, 8173720, 13077952, 16347440, 26155904, 32694880, 65389760, 130779520]

約数ペア:

[(1, 130779520), (2, 65389760), (4, 32694880), (5, 26155904), (8, 16347440), (10, 13077952), (16, 8173720), (20, 6538976), (32, 4086860), (40, 3269488), (64, 2043430), (80, 1634744), (127, 1029760), (128, 1021715), (160, 817372), (254, 514880), (320, 408686), (508, 257440), (635, 205952), (640, 204343), (1016, 128720), (1270, 102976), (1609, 81280), (2032, 64360), (2540, 51488), (3218, 40640), (4064, 32180), (5080, 25744), (6436, 20320), (8045, 16256), (8128, 16090), (10160, 12872)]