20329380550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{35291}}^1$

素因数の和:35625

約数の個数: 48

約数和(自身を含む): 38873855664

約数和(自身を除く): 18544475114

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 281, 410, 562, 1025, 1405, 2050, 2810, 7025, 11521, 14050, 23042, 35291, 57605, 70582, 115210, 176455, 288025, 352910, 576050, 882275, 1446931, 1764550, 2893862, 7234655, 9916771, 14469310, 19833542, 36173275, 49583855, 72346550, 99167710, 247919275, 406587611, 495838550, 813175222, 2032938055, 4065876110, 10164690275, 20329380550]

約数ペア:

[(1, 20329380550), (2, 10164690275), (5, 4065876110), (10, 2032938055), (25, 813175222), (41, 495838550), (50, 406587611), (82, 247919275), (205, 99167710), (281, 72346550), (410, 49583855), (562, 36173275), (1025, 19833542), (1405, 14469310), (2050, 9916771), (2810, 7234655), (7025, 2893862), (11521, 1764550), (14050, 1446931), (23042, 882275), (35291, 576050), (57605, 352910), (70582, 288025), (115210, 176455)]