15889520

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2393}}^1$

素因数の和:2489

約数の個数: 40

約数和(自身を含む): 37403856

約数和(自身を除く): 21514336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2393, 3320, 4786, 6640, 9572, 11965, 19144, 23930, 38288, 47860, 95720, 191440, 198619, 397238, 794476, 993095, 1588952, 1986190, 3177904, 3972380, 7944760, 15889520]

約数ペア:

[(1, 15889520), (2, 7944760), (4, 3972380), (5, 3177904), (8, 1986190), (10, 1588952), (16, 993095), (20, 794476), (40, 397238), (80, 198619), (83, 191440), (166, 95720), (332, 47860), (415, 38288), (664, 23930), (830, 19144), (1328, 11965), (1660, 9572), (2393, 6640), (3320, 4786)]