63779440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8219}}^1$

素因数の和:8329

約数の個数: 40

約数和(自身を含む): 149834160

約数和(自身を除く): 86054720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 8219, 16438, 32876, 41095, 65752, 82190, 131504, 164380, 328760, 657520, 797243, 1594486, 3188972, 3986215, 6377944, 7972430, 12755888, 15944860, 31889720, 63779440]

約数ペア:

[(1, 63779440), (2, 31889720), (4, 15944860), (5, 12755888), (8, 7972430), (10, 6377944), (16, 3986215), (20, 3188972), (40, 1594486), (80, 797243), (97, 657520), (194, 328760), (388, 164380), (485, 131504), (776, 82190), (970, 65752), (1552, 41095), (1940, 32876), (3880, 16438), (7760, 8219)]