4476940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 10315872

約数和(自身を除く): 5838932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 257, 260, 268, 335, 514, 670, 871, 1028, 1285, 1340, 1742, 2570, 3341, 3484, 4355, 5140, 6682, 8710, 13364, 16705, 17219, 17420, 33410, 34438, 66820, 68876, 86095, 172190, 223847, 344380, 447694, 895388, 1119235, 2238470, 4476940]

約数ペア:

[(1, 4476940), (2, 2238470), (4, 1119235), (5, 895388), (10, 447694), (13, 344380), (20, 223847), (26, 172190), (52, 86095), (65, 68876), (67, 66820), (130, 34438), (134, 33410), (257, 17420), (260, 17219), (268, 16705), (335, 13364), (514, 8710), (670, 6682), (871, 5140), (1028, 4355), (1285, 3484), (1340, 3341), (1742, 2570)]