7960940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 18312672

約数和(自身を除く): 10351732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 457, 670, 871, 914, 1340, 1742, 1828, 2285, 3484, 4355, 4570, 5941, 8710, 9140, 11882, 17420, 23764, 29705, 30619, 59410, 61238, 118820, 122476, 153095, 306190, 398047, 612380, 796094, 1592188, 1990235, 3980470, 7960940]

約数ペア:

[(1, 7960940), (2, 3980470), (4, 1990235), (5, 1592188), (10, 796094), (13, 612380), (20, 398047), (26, 306190), (52, 153095), (65, 122476), (67, 118820), (130, 61238), (134, 59410), (260, 30619), (268, 29705), (335, 23764), (457, 17420), (670, 11882), (871, 9140), (914, 8710), (1340, 5941), (1742, 4570), (1828, 4355), (2285, 3484)]