2016758840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1229731}}^1$

素因数の和:1229783

約数の個数: 32

約数和(自身を含む): 4648386960

約数和(自身を除く): 2631628120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1229731, 2459462, 4918924, 6148655, 9837848, 12297310, 24594620, 49189240, 50418971, 100837942, 201675884, 252094855, 403351768, 504189710, 1008379420, 2016758840]

約数ペア:

[(1, 2016758840), (2, 1008379420), (4, 504189710), (5, 403351768), (8, 252094855), (10, 201675884), (20, 100837942), (40, 50418971), (41, 49189240), (82, 24594620), (164, 12297310), (205, 9837848), (328, 6148655), (410, 4918924), (820, 2459462), (1640, 1229731)]