9920800

素因数分解:

$2^5\times 5^2\times {\mathrm{12401}}^1$

素因数の和:12421

約数の個数: 36

約数和(自身を含む): 24221106

約数和(自身を除く): 14300306

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 12401, 24802, 49604, 62005, 99208, 124010, 198416, 248020, 310025, 396832, 496040, 620050, 992080, 1240100, 1984160, 2480200, 4960400, 9920800]

約数ペア:

[(1, 9920800), (2, 4960400), (4, 2480200), (5, 1984160), (8, 1240100), (10, 992080), (16, 620050), (20, 496040), (25, 396832), (32, 310025), (40, 248020), (50, 198416), (80, 124010), (100, 99208), (160, 62005), (200, 49604), (400, 24802), (800, 12401)]