85716640

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2539}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 203545440

約数和(自身を除く): 117828800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 2539, 3376, 4220, 5078, 6752, 8440, 10156, 12695, 16880, 20312, 25390, 33760, 40624, 50780, 81248, 101560, 203120, 406240, 535729, 1071458, 2142916, 2678645, 4285832, 5357290, 8571664, 10714580, 17143328, 21429160, 42858320, 85716640]

約数ペア:

[(1, 85716640), (2, 42858320), (4, 21429160), (5, 17143328), (8, 10714580), (10, 8571664), (16, 5357290), (20, 4285832), (32, 2678645), (40, 2142916), (80, 1071458), (160, 535729), (211, 406240), (422, 203120), (844, 101560), (1055, 81248), (1688, 50780), (2110, 40624), (2539, 33760), (3376, 25390), (4220, 20312), (5078, 16880), (6752, 12695), (8440, 10156)]