16220858480

素因数分解:

$2^4\times 5^1\times {\mathrm{5471}}^1\times {\mathrm{37061}}^1$

素因数の和:42545

約数の個数: 40

約数和(自身を含む): 37721407104

約数和(自身を除く): 21500548624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5471, 10942, 21884, 27355, 37061, 43768, 54710, 74122, 87536, 109420, 148244, 185305, 218840, 296488, 370610, 437680, 592976, 741220, 1482440, 2964880, 202760731, 405521462, 811042924, 1013803655, 1622085848, 2027607310, 3244171696, 4055214620, 8110429240, 16220858480]

約数ペア:

[(1, 16220858480), (2, 8110429240), (4, 4055214620), (5, 3244171696), (8, 2027607310), (10, 1622085848), (16, 1013803655), (20, 811042924), (40, 405521462), (80, 202760731), (5471, 2964880), (10942, 1482440), (21884, 741220), (27355, 592976), (37061, 437680), (43768, 370610), (54710, 296488), (74122, 218840), (87536, 185305), (109420, 148244)]