83890820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1051}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 190521408

約数和(自身を除く): 106630588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 1051, 1228, 1535, 2102, 3070, 3991, 4204, 5255, 6140, 7982, 10510, 13663, 15964, 19955, 21020, 27326, 39910, 54652, 68315, 79820, 136630, 273260, 322657, 645314, 1290628, 1613285, 3226570, 4194541, 6453140, 8389082, 16778164, 20972705, 41945410, 83890820]

約数ペア:

[(1, 83890820), (2, 41945410), (4, 20972705), (5, 16778164), (10, 8389082), (13, 6453140), (20, 4194541), (26, 3226570), (52, 1613285), (65, 1290628), (130, 645314), (260, 322657), (307, 273260), (614, 136630), (1051, 79820), (1228, 68315), (1535, 54652), (2102, 39910), (3070, 27326), (3991, 21020), (4204, 19955), (5255, 15964), (6140, 13663), (7982, 10510)]