26313580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 30749300

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 269, 292, 335, 365, 538, 670, 730, 1076, 1340, 1345, 1460, 2690, 4891, 5380, 9782, 18023, 19564, 19637, 24455, 36046, 39274, 48910, 72092, 78548, 90115, 97820, 98185, 180230, 196370, 360460, 392740, 1315679, 2631358, 5262716, 6578395, 13156790, 26313580]

約数ペア:

[(1, 26313580), (2, 13156790), (4, 6578395), (5, 5262716), (10, 2631358), (20, 1315679), (67, 392740), (73, 360460), (134, 196370), (146, 180230), (268, 98185), (269, 97820), (292, 90115), (335, 78548), (365, 72092), (538, 48910), (670, 39274), (730, 36046), (1076, 24455), (1340, 19637), (1345, 19564), (1460, 18023), (2690, 9782), (4891, 5380)]