2019649040

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{72337}}^1$

素因数の和:72699

約数の個数: 40

約数和(自身を含む): 4709203800

約数和(自身を除く): 2689554760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 13960, 27920, 72337, 144674, 289348, 361685, 578696, 723370, 1157392, 1446740, 2893480, 5786960, 25245613, 50491226, 100982452, 126228065, 201964904, 252456130, 403929808, 504912260, 1009824520, 2019649040]

約数ペア:

[(1, 2019649040), (2, 1009824520), (4, 504912260), (5, 403929808), (8, 252456130), (10, 201964904), (16, 126228065), (20, 100982452), (40, 50491226), (80, 25245613), (349, 5786960), (698, 2893480), (1396, 1446740), (1745, 1157392), (2792, 723370), (3490, 578696), (5584, 361685), (6980, 289348), (13960, 144674), (27920, 72337)]