25778080

素因数分解:

$2^5\times 5^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 61205760

約数和(自身を除く): 35427680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 367, 439, 734, 878, 1468, 1756, 1835, 2195, 2936, 3512, 3670, 4390, 5872, 7024, 7340, 8780, 11744, 14048, 14680, 17560, 29360, 35120, 58720, 70240, 161113, 322226, 644452, 805565, 1288904, 1611130, 2577808, 3222260, 5155616, 6444520, 12889040, 25778080]

約数ペア:

[(1, 25778080), (2, 12889040), (4, 6444520), (5, 5155616), (8, 3222260), (10, 2577808), (16, 1611130), (20, 1288904), (32, 805565), (40, 644452), (80, 322226), (160, 161113), (367, 70240), (439, 58720), (734, 35120), (878, 29360), (1468, 17560), (1756, 14680), (1835, 14048), (2195, 11744), (2936, 8780), (3512, 7340), (3670, 7024), (4390, 5872)]