16221760

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 56

約数和(自身を含む): 38990016

約数和(自身を除く): 22768256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 311, 320, 326, 622, 652, 815, 1244, 1304, 1555, 1630, 2488, 2608, 3110, 3260, 4976, 5216, 6220, 6520, 9952, 10432, 12440, 13040, 19904, 24880, 26080, 49760, 50693, 52160, 99520, 101386, 202772, 253465, 405544, 506930, 811088, 1013860, 1622176, 2027720, 3244352, 4055440, 8110880, 16221760]

約数ペア:

[(1, 16221760), (2, 8110880), (4, 4055440), (5, 3244352), (8, 2027720), (10, 1622176), (16, 1013860), (20, 811088), (32, 506930), (40, 405544), (64, 253465), (80, 202772), (160, 101386), (163, 99520), (311, 52160), (320, 50693), (326, 49760), (622, 26080), (652, 24880), (815, 19904), (1244, 13040), (1304, 12440), (1555, 10432), (1630, 9952), (2488, 6520), (2608, 6220), (3110, 5216), (3260, 4976)]