16637660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 21464740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 719, 890, 1157, 1438, 1780, 2314, 2876, 3595, 4628, 5785, 7190, 9347, 11570, 14380, 18694, 23140, 37388, 46735, 63991, 93470, 127982, 186940, 255964, 319955, 639910, 831883, 1279820, 1663766, 3327532, 4159415, 8318830, 16637660]

約数ペア:

[(1, 16637660), (2, 8318830), (4, 4159415), (5, 3327532), (10, 1663766), (13, 1279820), (20, 831883), (26, 639910), (52, 319955), (65, 255964), (89, 186940), (130, 127982), (178, 93470), (260, 63991), (356, 46735), (445, 37388), (719, 23140), (890, 18694), (1157, 14380), (1438, 11570), (1780, 9347), (2314, 7190), (2876, 5785), (3595, 4628)]