16870880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8111}}^1$

素因数の和:8139

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 26057824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8111, 16222, 32444, 40555, 64888, 81110, 105443, 129776, 162220, 210886, 259552, 324440, 421772, 527215, 648880, 843544, 1054430, 1297760, 1687088, 2108860, 3374176, 4217720, 8435440, 16870880]

約数ペア:

[(1, 16870880), (2, 8435440), (4, 4217720), (5, 3374176), (8, 2108860), (10, 1687088), (13, 1297760), (16, 1054430), (20, 843544), (26, 648880), (32, 527215), (40, 421772), (52, 324440), (65, 259552), (80, 210886), (104, 162220), (130, 129776), (160, 105443), (208, 81110), (260, 64888), (416, 40555), (520, 32444), (1040, 16222), (2080, 8111)]