71563040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10909}}^1$

素因数の和:10965

約数の個数: 48

約数和(自身を含む): 173207160

約数和(自身を除く): 101644120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 10909, 21818, 43636, 54545, 87272, 109090, 174544, 218180, 349088, 436360, 447269, 872720, 894538, 1745440, 1789076, 2236345, 3578152, 4472690, 7156304, 8945380, 14312608, 17890760, 35781520, 71563040]

約数ペア:

[(1, 71563040), (2, 35781520), (4, 17890760), (5, 14312608), (8, 8945380), (10, 7156304), (16, 4472690), (20, 3578152), (32, 2236345), (40, 1789076), (41, 1745440), (80, 894538), (82, 872720), (160, 447269), (164, 436360), (205, 349088), (328, 218180), (410, 174544), (656, 109090), (820, 87272), (1312, 54545), (1640, 43636), (3280, 21818), (6560, 10909)]