28301480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17257}}^1$

素因数の和:17309

約数の個数: 32

約数和(自身を含む): 65235240

約数和(自身を除く): 36933760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17257, 34514, 69028, 86285, 138056, 172570, 345140, 690280, 707537, 1415074, 2830148, 3537685, 5660296, 7075370, 14150740, 28301480]

約数ペア:

[(1, 28301480), (2, 14150740), (4, 7075370), (5, 5660296), (8, 3537685), (10, 2830148), (20, 1415074), (40, 707537), (41, 690280), (82, 345140), (164, 172570), (205, 138056), (328, 86285), (410, 69028), (820, 34514), (1640, 17257)]