25550560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3259}}^1$

素因数の和:3288

約数の個数: 72

約数和(自身を含む): 70239960

約数和(自身を除く): 44689400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3259, 3920, 6518, 7840, 13036, 16295, 22813, 26072, 32590, 45626, 52144, 65180, 91252, 104288, 114065, 130360, 159691, 182504, 228130, 260720, 319382, 365008, 456260, 521440, 638764, 730016, 798455, 912520, 1277528, 1596910, 1825040, 2555056, 3193820, 3650080, 5110112, 6387640, 12775280, 25550560]

約数ペア:

[(1, 25550560), (2, 12775280), (4, 6387640), (5, 5110112), (7, 3650080), (8, 3193820), (10, 2555056), (14, 1825040), (16, 1596910), (20, 1277528), (28, 912520), (32, 798455), (35, 730016), (40, 638764), (49, 521440), (56, 456260), (70, 365008), (80, 319382), (98, 260720), (112, 228130), (140, 182504), (160, 159691), (196, 130360), (224, 114065), (245, 104288), (280, 91252), (392, 65180), (490, 52144), (560, 45626), (784, 32590), (980, 26072), (1120, 22813), (1568, 16295), (1960, 13036), (3259, 7840), (3920, 6518)]