42526840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25931}}^1$

素因数の和:25983

約数の個数: 32

約数和(自身を含む): 98022960

約数和(自身を除く): 55496120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25931, 51862, 103724, 129655, 207448, 259310, 518620, 1037240, 1063171, 2126342, 4252684, 5315855, 8505368, 10631710, 21263420, 42526840]

約数ペア:

[(1, 42526840), (2, 21263420), (4, 10631710), (5, 8505368), (8, 5315855), (10, 4252684), (20, 2126342), (40, 1063171), (41, 1037240), (82, 518620), (164, 259310), (205, 207448), (328, 129655), (410, 103724), (820, 51862), (1640, 25931)]