71238080

素因数分解:

$2^6\times 5^1\times {\mathrm{222619}}^1$

素因数の和:222636

約数の個数: 28

約数和(自身を含む): 169636440

約数和(自身を除く): 98398360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 222619, 445238, 890476, 1113095, 1780952, 2226190, 3561904, 4452380, 7123808, 8904760, 14247616, 17809520, 35619040, 71238080]

約数ペア:

[(1, 71238080), (2, 35619040), (4, 17809520), (5, 14247616), (8, 8904760), (10, 7123808), (16, 4452380), (20, 3561904), (32, 2226190), (40, 1780952), (64, 1113095), (80, 890476), (160, 445238), (320, 222619)]