1419440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 3602448

約数和(自身を除く): 2183008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1613, 3226, 6452, 8065, 12904, 16130, 17743, 25808, 32260, 35486, 64520, 70972, 88715, 129040, 141944, 177430, 283888, 354860, 709720, 1419440]

約数ペア:

[(1, 1419440), (2, 709720), (4, 354860), (5, 283888), (8, 177430), (10, 141944), (11, 129040), (16, 88715), (20, 70972), (22, 64520), (40, 35486), (44, 32260), (55, 25808), (80, 17743), (88, 16130), (110, 12904), (176, 8065), (220, 6452), (440, 3226), (880, 1613)]