79761140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 174720000

約数和(自身を除く): 94958860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 1249, 2060, 2498, 3193, 4996, 6245, 6386, 12490, 12772, 15965, 24980, 31930, 38719, 63860, 77438, 128647, 154876, 193595, 257294, 387190, 514588, 643235, 774380, 1286470, 2572940, 3988057, 7976114, 15952228, 19940285, 39880570, 79761140]

約数ペア:

[(1, 79761140), (2, 39880570), (4, 19940285), (5, 15952228), (10, 7976114), (20, 3988057), (31, 2572940), (62, 1286470), (103, 774380), (124, 643235), (155, 514588), (206, 387190), (310, 257294), (412, 193595), (515, 154876), (620, 128647), (1030, 77438), (1249, 63860), (2060, 38719), (2498, 31930), (3193, 24980), (4996, 15965), (6245, 12772), (6386, 12490)]