40405894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 67495680

約数和(自身を除く): 27089786

約数列:

[1, 2, 19, 23, 38, 46, 83, 166, 437, 557, 874, 1114, 1577, 1909, 3154, 3818, 10583, 12811, 21166, 25622, 36271, 46231, 72542, 92462, 243409, 486818, 878389, 1063313, 1756778, 2126626, 20202947, 40405894]

約数ペア:

[(1, 40405894), (2, 20202947), (19, 2126626), (23, 1756778), (38, 1063313), (46, 878389), (83, 486818), (166, 243409), (437, 92462), (557, 72542), (874, 46231), (1114, 36271), (1577, 25622), (1909, 21166), (3154, 12811), (3818, 10583)]