28804944040

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{698471}}^1$

素因数の和:699513

約数の個数: 32

約数和(自身を含む): 64874079360

約数和(自身を除く): 36069135320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 698471, 1396942, 2793884, 3492355, 5587768, 6984710, 13969420, 27938840, 720123601, 1440247202, 2880494404, 3600618005, 5760988808, 7201236010, 14402472020, 28804944040]

約数ペア:

[(1, 28804944040), (2, 14402472020), (4, 7201236010), (5, 5760988808), (8, 3600618005), (10, 2880494404), (20, 1440247202), (40, 720123601), (1031, 27938840), (2062, 13969420), (4124, 6984710), (5155, 5587768), (8248, 3492355), (10310, 2793884), (20620, 1396942), (41240, 698471)]