15765920

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 37503648

約数和(自身を除く): 21737728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 467, 844, 934, 1055, 1688, 1868, 2110, 2335, 3376, 3736, 4220, 4670, 6752, 7472, 8440, 9340, 14944, 16880, 18680, 33760, 37360, 74720, 98537, 197074, 394148, 492685, 788296, 985370, 1576592, 1970740, 3153184, 3941480, 7882960, 15765920]

約数ペア:

[(1, 15765920), (2, 7882960), (4, 3941480), (5, 3153184), (8, 1970740), (10, 1576592), (16, 985370), (20, 788296), (32, 492685), (40, 394148), (80, 197074), (160, 98537), (211, 74720), (422, 37360), (467, 33760), (844, 18680), (934, 16880), (1055, 14944), (1688, 9340), (1868, 8440), (2110, 7472), (2335, 6752), (3376, 4670), (3736, 4220)]