83977840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25603}}^1$

素因数の和:25657

約数の個数: 40

約数和(自身を含む): 200018448

約数和(自身を除く): 116040608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25603, 51206, 102412, 128015, 204824, 256030, 409648, 512060, 1024120, 1049723, 2048240, 2099446, 4198892, 5248615, 8397784, 10497230, 16795568, 20994460, 41988920, 83977840]

約数ペア:

[(1, 83977840), (2, 41988920), (4, 20994460), (5, 16795568), (8, 10497230), (10, 8397784), (16, 5248615), (20, 4198892), (40, 2099446), (41, 2048240), (80, 1049723), (82, 1024120), (164, 512060), (205, 409648), (328, 256030), (410, 204824), (656, 128015), (820, 102412), (1640, 51206), (3280, 25603)]