823840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 2056320

約数和(自身を除く): 1232480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 271, 304, 380, 542, 608, 760, 1084, 1355, 1520, 2168, 2710, 3040, 4336, 5149, 5420, 8672, 10298, 10840, 20596, 21680, 25745, 41192, 43360, 51490, 82384, 102980, 164768, 205960, 411920, 823840]

約数ペア:

[(1, 823840), (2, 411920), (4, 205960), (5, 164768), (8, 102980), (10, 82384), (16, 51490), (19, 43360), (20, 41192), (32, 25745), (38, 21680), (40, 20596), (76, 10840), (80, 10298), (95, 8672), (152, 5420), (160, 5149), (190, 4336), (271, 3040), (304, 2710), (380, 2168), (542, 1520), (608, 1355), (760, 1084)]