100105040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25537}}^1$

素因数の和:25564

約数の個数: 60

約数和(自身を含む): 270753876

約数和(自身を除く): 170648836

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25537, 51074, 102148, 127685, 178759, 204296, 255370, 357518, 408592, 510740, 715036, 893795, 1021480, 1251313, 1430072, 1787590, 2042960, 2502626, 2860144, 3575180, 5005252, 6256565, 7150360, 10010504, 12513130, 14300720, 20021008, 25026260, 50052520, 100105040]

約数ペア:

[(1, 100105040), (2, 50052520), (4, 25026260), (5, 20021008), (7, 14300720), (8, 12513130), (10, 10010504), (14, 7150360), (16, 6256565), (20, 5005252), (28, 3575180), (35, 2860144), (40, 2502626), (49, 2042960), (56, 1787590), (70, 1430072), (80, 1251313), (98, 1021480), (112, 893795), (140, 715036), (196, 510740), (245, 408592), (280, 357518), (392, 255370), (490, 204296), (560, 178759), (784, 127685), (980, 102148), (1960, 51074), (3920, 25537)]