1855249040

素因数分解:

$2^4\times 5^1\times {\mathrm{23190613}}^1$

素因数の和:23190626

約数の個数: 20

約数和(自身を含む): 4313454204

約数和(自身を除く): 2458205164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23190613, 46381226, 92762452, 115953065, 185524904, 231906130, 371049808, 463812260, 927624520, 1855249040]

約数ペア:

[(1, 1855249040), (2, 927624520), (4, 463812260), (5, 371049808), (8, 231906130), (10, 185524904), (16, 115953065), (20, 92762452), (40, 46381226), (80, 23190613)]