68156680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13007}}^1$

素因数の和:13149

約数の個数: 32

約数和(自身を含む): 154535040

約数和(自身を除く): 86378360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 13007, 26014, 52028, 65035, 104056, 130070, 260140, 520280, 1703917, 3407834, 6815668, 8519585, 13631336, 17039170, 34078340, 68156680]

約数ペア:

[(1, 68156680), (2, 34078340), (4, 17039170), (5, 13631336), (8, 8519585), (10, 6815668), (20, 3407834), (40, 1703917), (131, 520280), (262, 260140), (524, 130070), (655, 104056), (1048, 65035), (1310, 52028), (2620, 26014), (5240, 13007)]