26072720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7949}}^1$

素因数の和:8003

約数の個数: 40

約数和(自身を含む): 62105400

約数和(自身を除く): 36032680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7949, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 317960, 325909, 635920, 651818, 1303636, 1629545, 2607272, 3259090, 5214544, 6518180, 13036360, 26072720]

約数ペア:

[(1, 26072720), (2, 13036360), (4, 6518180), (5, 5214544), (8, 3259090), (10, 2607272), (16, 1629545), (20, 1303636), (40, 651818), (41, 635920), (80, 325909), (82, 317960), (164, 158980), (205, 127184), (328, 79490), (410, 63592), (656, 39745), (820, 31796), (1640, 15898), (3280, 7949)]