39970190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 79293168

約数和(自身を除く): 39322978

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 335, 338, 353, 670, 706, 845, 871, 1690, 1742, 1765, 3530, 4355, 4589, 8710, 9178, 11323, 22646, 22945, 23651, 45890, 47302, 56615, 59657, 113230, 118255, 119314, 236510, 298285, 307463, 596570, 614926, 1537315, 3074630, 3997019, 7994038, 19985095, 39970190]

約数ペア:

[(1, 39970190), (2, 19985095), (5, 7994038), (10, 3997019), (13, 3074630), (26, 1537315), (65, 614926), (67, 596570), (130, 307463), (134, 298285), (169, 236510), (335, 119314), (338, 118255), (353, 113230), (670, 59657), (706, 56615), (845, 47302), (871, 45890), (1690, 23651), (1742, 22945), (1765, 22646), (3530, 11323), (4355, 9178), (4589, 8710)]