320438480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{85223}}^1$

素因数の和:85283

約数の個数: 40

約数和(自身を含む): 760879872

約数和(自身を除く): 440441392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 85223, 170446, 340892, 426115, 681784, 852230, 1363568, 1704460, 3408920, 4005481, 6817840, 8010962, 16021924, 20027405, 32043848, 40054810, 64087696, 80109620, 160219240, 320438480]

約数ペア:

[(1, 320438480), (2, 160219240), (4, 80109620), (5, 64087696), (8, 40054810), (10, 32043848), (16, 20027405), (20, 16021924), (40, 8010962), (47, 6817840), (80, 4005481), (94, 3408920), (188, 1704460), (235, 1363568), (376, 852230), (470, 681784), (752, 426115), (940, 340892), (1880, 170446), (3760, 85223)]