16502380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 35804160

約数和(自身を除く): 19301780

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 127, 146, 178, 254, 292, 356, 365, 445, 508, 635, 730, 890, 1270, 1460, 1780, 2540, 6497, 9271, 11303, 12994, 18542, 22606, 25988, 32485, 37084, 45212, 46355, 56515, 64970, 92710, 113030, 129940, 185420, 226060, 825119, 1650238, 3300476, 4125595, 8251190, 16502380]

約数ペア:

[(1, 16502380), (2, 8251190), (4, 4125595), (5, 3300476), (10, 1650238), (20, 825119), (73, 226060), (89, 185420), (127, 129940), (146, 113030), (178, 92710), (254, 64970), (292, 56515), (356, 46355), (365, 45212), (445, 37084), (508, 32485), (635, 25988), (730, 22606), (890, 18542), (1270, 12994), (1460, 11303), (1780, 9271), (2540, 6497)]