19635280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5009}}^1$

素因数の和:5036

約数の個数: 60

約数和(自身を含む): 53116020

約数和(自身を除く): 33480740

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, 5009, 10018, 20036, 25045, 35063, 40072, 50090, 70126, 80144, 100180, 140252, 175315, 200360, 245441, 280504, 350630, 400720, 490882, 561008, 701260, 981764, 1227205, 1402520, 1963528, 2454410, 2805040, 3927056, 4908820, 9817640, 19635280]

約数ペア:

[(1, 19635280), (2, 9817640), (4, 4908820), (5, 3927056), (7, 2805040), (8, 2454410), (10, 1963528), (14, 1402520), (16, 1227205), (20, 981764), (28, 701260), (35, 561008), (40, 490882), (49, 400720), (56, 350630), (70, 280504), (80, 245441), (98, 200360), (112, 175315), (140, 140252), (196, 100180), (245, 80144), (280, 70126), (392, 50090), (490, 40072), (560, 35063), (784, 25045), (980, 20036), (1960, 10018), (3920, 5009)]