13149580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 28901376

約数和(自身を除く): 15751796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 167, 254, 310, 334, 508, 620, 635, 668, 835, 1270, 1670, 2540, 3340, 3937, 5177, 7874, 10354, 15748, 19685, 20708, 21209, 25885, 39370, 42418, 51770, 78740, 84836, 103540, 106045, 212090, 424180, 657479, 1314958, 2629916, 3287395, 6574790, 13149580]

約数ペア:

[(1, 13149580), (2, 6574790), (4, 3287395), (5, 2629916), (10, 1314958), (20, 657479), (31, 424180), (62, 212090), (124, 106045), (127, 103540), (155, 84836), (167, 78740), (254, 51770), (310, 42418), (334, 39370), (508, 25885), (620, 21209), (635, 20708), (668, 19685), (835, 15748), (1270, 10354), (1670, 7874), (2540, 5177), (3340, 3937)]