145729040

素因数分解:

$2^4\times 5^1\times {\mathrm{1821613}}^1$

素因数の和:1821626

約数の個数: 20

約数和(自身を含む): 338820204

約数和(自身を除く): 193091164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1821613, 3643226, 7286452, 9108065, 14572904, 18216130, 29145808, 36432260, 72864520, 145729040]

約数ペア:

[(1, 145729040), (2, 72864520), (4, 36432260), (5, 29145808), (8, 18216130), (10, 14572904), (16, 9108065), (20, 7286452), (40, 3643226), (80, 1821613)]